12 Days of Christmas
9th
8th
5th
15th
38th
86th
130th
84th
10th
24th
13th
15th
25th
16th
12th
65th
19th
45th
10th
14th
102nd
337th
27th
16th
34th
58th
29th
9th
15th
35th
51st
125th
11th
774th
12th
19th
77th
65th
3rd
20th
43rd
10th
16th
21st
16th
11th24 Game
💎
42nd
2nd
99 Bottles of Beer
11th
8th
5th
11th
31st
93rd
125th
55th
7th
15th
15th
19th
18th
17th
12th
58th
14th
42nd
12th
13th
105th
427th
26th
10th
19th
60th
23rd
12th
13th
36th
60th
135th
13th
859th
14th
17th
83rd
59th
8th
16th
34th
14th
13th
18th
9th
11thAbundant Numbers
17th
10th
7th
18th
17th
31st
122nd
100th
21st
31st
20th
29th
16th
23rd
23rd
68th
31st
71st
9th
29th
121st
291st
49th
31st
19th
53rd
26th
12th
22nd
36th
59th
84th
13th
192nd
17th
28th
98th
83rd
5th
16th
38th
9th
21st
11th
21st
21stAbundant Numbers (Long)
10th
4th
5th
14th
11th
45th
53rd
65th
9th
22nd
16th
27th
12th
13th
12th
32nd
25th
38th
19th
59th
122nd
34th
23rd
15th
32nd
21st
12th
12th
25th
35th
31st
10th
377th
17th
18th
47th
37th
6th
6th
22nd
8th
13th
8th
16th
14thArabic to Roman
6th
5th
5th
Arithmetic Numbers
2nd
Arrows
4th
Ascending Primes
2nd
2nd
ASCII Table
7th
10th
3rd
13th
27th
40th
48th
42nd
11th
10th
11th
9th
9th
10th
31st
18th
17th
8th
11th
39th
94th
16th
14th
13th
24th
17th
9th
9th
15th
21st
38th
6th
264th
8th
15th
44th
29th
4th
3rd
8th
7th
7th
5th
8th
11thbrainfuck
5th
3rd
13th
40th
153rd
2nd
Catalan Numbers
19th
2nd
5th
6th
11th
16th
31st
20th
10th
16th
14th
13th
11th
12th
5th
24th
27th
33rd
7th
31st
31st
80th
35th
12th
15th
10th
10th
5th
6th
19th
8th
33rd
11th
1st
6th
19th
52nd
10th
6th
5th
5th
12th
12th
4th
5th
10thCatalan’s Constant
8th
3rd
5th
8th
12th
11th
17th
20th
9th
12th
12th
7th
12th
8th
16th
15th
11th
5th
30th
44th
45th
5th
16th
15th
5th
5th
13th
10th
9th
24th
10th
147th
9th
12th
20th
9th
7th
4th
15th
12th
7th
4th
7th
14thChristmas Trees
10th
9th
3rd
10th
22nd
61st
100th
38th
24th
14th
17th
7th
13th
11th
34th
21st
37th
9th
14th
57th
256th
23rd
14th
15th
43rd
21st
9th
13th
32nd
53rd
77th
8th
669th
11th
24th
85th
49th
7th
9th
22nd
8th
15th
8th
13th
10thCollatz
17th
13th
8th
17th
12th
67th
87th
101st
9th
19th
18th
26th
13th
15th
13th
38th
36th
51st
8th
17th
81st
201st
37th
24th
16th
43rd
19th
12th
11th
24th
46th
38th
11th
535th
17th
18th
55th
61st
8th
5th
26th
12th
14th
6th
22nd
CSS Colors
6th
4th
Cubes
5th
3rd
5th
8th
20th
40th
36th
18th
9th
7th
7th
5th
8th
8th
23rd
9th
17th
6th
9th
35th
91st
14th
8th
11th
15th
9th
4th
9th
13th
9th
36th
5th
281st
7th
12th
34th
23rd
13th
9th
7th
3rd
9th
6th
6th
6thDay of Week
5th
DFA Simulator
2nd
Diamonds
8th
11th
5th
11th
33rd
73rd
49th
40th
48th
11th
17th
6th
9th
13th
28th
21st
34th
8th
16th
43rd
137th
25th
12th
13th
34th
15th
7th
12th
19th
28th
48th
8th
448th
8th
24th
65th
29th
9th
9th
14th
7th
13th
8th
6th
10thDivisors
25th
10th
5th
19th
10th
41st
140th
43rd
14th
33rd
22nd
27th
18th
26th
20th
74th
30th
110th
14th
53rd
135th
538th
49th
30th
32nd
98th
31st
14th
23rd
49th
126th
93rd
13th
83rd
19th
17th
154th
94th
5th
13th
48th
19th
24th
12th
23rd
18thEmirp Numbers
15th
10th
10th
11th
26th
55th
41st
29th
27th
18th
10th
15th
9th
12th
15th
31st
16th
56th
10th
31st
36th
197th
22nd
19th
14th
27th
15th
5th
13th
28th
34th
44th
11th
161st
10th
23rd
109th
22nd
3rd
7th
10th
9th
14th
5th
11th
13thEmirp Numbers (Long)
8th
7th
6th
10th
13th
40th
29th
27th
7th
12th
9th
12th
8th
7th
10th
19th
13th
21st
6th
18th
23rd
61st
17th
14th
10th
15th
10th
7th
7th
11th
17th
17th
6th
173rd
9th
16th
36th
18th
6th
5th
8th
6th
8th
3rd
8th
11thEmojify
6th
5th
Evil Numbers
22nd
12th
8th
16th
27th
54th
102nd
37th
29th
37th
14th
24th
19th
14th
24th
69th
31st
73rd
12th
54th
51st
372nd
42nd
41st
27th
39th
26th
17th
24th
11th
79th
77th
22nd
215th
14th
16th
161st
81st
1st
8th
39th
15th
24th
10th
17th
20thEvil Numbers (Long)
12th
10th
5th
15th
12th
19th
56th
58th
12th
27th
16th
22nd
11th
14th
14th
35th
33rd
34th
7th
33rd
43rd
125th
25th
34th
19th
28th
21st
14th
16th
22nd
33rd
39th
15th
116th
13th
11th
52nd
48th
4th
7th
21st
15th
14th
8th
14th
Factorial Factorisation
4th
8th
Farey Sequence
4th
Fibonacci
82nd
10th
6th
43rd
36th
30th
80th
262nd
102nd
20th
33rd
42nd
64th
53rd
51st
29th
56th
24th
24th
59th
173rd
59th
174th
28th
48th
31st
54th
178th
96th
35th
64th
171st
79th
27th
19th
33rd
189th
158th
28th
131st
42nd
19th
24th
228th
198th
5th
50th
90th
17th
60th
31st
41st
53rdFizz Buzz
112th
22nd
1st
8th
11th
32nd
478th
48th
31st
66th
63rd
61st
50th
85th
33rd
73rd
242nd
58th
53rd
68th
55th
509th
1st
32nd
37th
47th
43rd
99th
40th
15th
8th
1st
341st
42nd
154th
50th
19th
113th
302nd
7th
80th
162nd
36th
35th
37th
46th
48thFoo Fizz Buzz Bar
11th
22nd
16th
18th
101st
101st
75th
12th
19th
20th
19th
11th
14th
12th
43rd
27th
42nd
7th
17th
107th
241st
33rd
21st
16th
32nd
18th
11th
11th
33rd
43rd
75th
16th
643rd
18th
26th
53rd
44th
6th
16th
19th
12th
17th
9th
16th
Forsyth–Edwards Notation
3rd
3rd
2nd
Fractions
10th
4th
244th
Game of Life
3rd
13th
65th
3rd
Gijswijt’s Sequence
4th
6th
Happy Numbers
16th
18th
4th
11th
26th
53rd
49th
33rd
27th
21st
14th
15th
9th
15th
15th
50th
25th
56th
8th
32nd
42nd
184th
23rd
28th
18th
31st
15th
8th
13th
31st
27th
53rd
12th
265th
12th
27th
74th
22nd
3rd
8th
15th
8th
17th
5th
13th
16thHappy Numbers (Long)
8th
15th
4th
14th
18th
58th
34th
27th
8th
19th
15th
16th
8th
9th
12th
29th
26th
31st
8th
24th
31st
89th
20th
27th
15th
23rd
14th
8th
11th
22nd
17th
25th
10th
287th
14th
17th
49th
21st
3rd
5th
14th
10th
11th
6th
16th
12thHexdump
7th
25th
Intersection
6th
Inventory Sequence
8th
15th
9th
9th
16th
34th
25th
26th
6th
16th
10th
11th
5th
7th
8th
16th
12th
15th
9th
21st
56th
15th
10th
11th
14th
11th
8th
9th
20th
17th
19th
4th
157th
10th
10th
28th
11th
3rd
4th
5th
6th
9th
4th
9th
ISBN
9th
4th
16th
26th
19th
7th
12th
6th
Jacobi Symbol
2nd
4th
46th
Kolakoski Constant
8th
3rd
6th
9th
22nd
20th
14th
19th
10th
11th
14th
7th
16th
13th
17th
14th
14th
6th
28th
45th
12th
5th
16th
9th
5th
5th
13th
11th
9th
30th
8th
108th
8th
13th
29th
8th
7th
5th
16th
8th
7th
4th
7th
12thKolakoski Sequence
16th
10th
9th
10th
29th
51st
26th
28th
18th
13th
13th
6th
13th
12th
26th
16th
30th
8th
34th
100th
19th
22nd
12th
18th
10th
7th
12th
22nd
19th
24th
7th
251st
10th
12th
47th
21st
8th
8th
10th
7th
11th
8th
14th
15thLeap Years
23rd
9th
5th
19th
27th
46th
138th
51st
19th
36th
27th
26th
19th
30th
33rd
72nd
28th
84th
8th
26th
142nd
413th
47th
23rd
30th
82nd
43rd
15th
30th
10th
115th
124th
18th
259th
22nd
9th
105th
87th
3rd
27th
47th
20th
28th
14th
24th
26thLevenshtein Distance
5th
4th
82nd
5th
8th
Leyland Numbers
7th
6th
5th
7th
22nd
27th
32nd
21st
9th
10th
10th
8th
7th
10th
9th
18th
20th
34th
7th
23rd
24th
101st
20th
9th
11th
21st
9th
8th
7th
15th
19th
30th
8th
299th
10th
14th
44th
19th
6th
11th
8th
7th
14th
6th
11th
7thln 2
6th
5th
Look and Say
9th
8th
4th
9th
24th
28th
36th
26th
11th
20th
12th
8th
7th
10th
10th
8th
23rd
20th
29th
7th
30th
118th
18th
21st
13th
23rd
14th
8th
12th
33rd
28th
27th
8th
310th
10th
18th
56th
16th
3rd
6th
7th
7th
14th
8th
9th
7thLucky Numbers
7th
5th
5th
8th
18th
31st
22nd
16th
10th
12th
11th
10th
7th
7th
7th
41st
16th
24th
6th
11th
18th
59th
12th
12th
13th
12th
12th
6th
8th
16th
11th
19th
5th
180th
13th
10th
24th
12th
2nd
5th
7th
5th
10th
5th
6th
9thLucky Tickets
5th
2nd
Mahjong
2nd
Maze
4th
6th
1st
Medal Tally
3rd
4th
Morse Decoder
5th
Morse Encoder
3rd
7th
Musical Chords
4th
19th
25th
11th
10th
N Queens
💎
53rd
Niven Numbers
21st
9th
6th
20th
26th
64th
99th
34th
26th
32nd
22nd
28th
19th
22nd
22nd
47th
34th
76th
9th
37th
83rd
304th
43rd
34th
17th
55th
29th
14th
23rd
20th
58th
72nd
16th
26th
17th
1st
107th
54th
3rd
15th
31st
15th
24th
11th
21st
20thNiven Numbers (Long)
9th
15th
4th
14th
10th
33rd
53rd
49th
9th
23rd
13th
19th
12th
15th
12th
31st
30th
28th
5th
26th
43rd
105th
26th
27th
14th
35th
21st
11th
16th
22nd
31st
35th
13th
337th
17th
22nd
52nd
29th
7th
10th
21st
14th
14th
8th
17th
12thNumber Spiral
5th
6th
6th
10th
25th
41st
23rd
21st
7th
16th
13th
6th
10th
7th
20th
12th
12th
6th
26th
27th
60th
9th
24th
12th
13th
11th
5th
7th
11th
13th
19th
6th
139th
9th
11th
28th
11th
3rd
4th
6th
5th
11th
5th
8th
10thOdious Numbers
22nd
11th
5th
17th
27th
42nd
78th
34th
27th
34th
21st
22nd
10th
22nd
17th
21st
56th
35th
63rd
12th
50th
17th
74th
290th
36th
39th
25th
39th
27th
11th
24th
13th
70th
69th
17th
182nd
14th
16th
117th
61st
1st
8th
34th
13th
22nd
9th
16th
21stOdious Numbers (Long)
10th
11th
5th
15th
16th
41st
48th
37th
11th
25th
15th
21st
11th
13th
13th
32nd
32nd
29th
6th
31st
39th
99th
25th
34th
20th
30th
21st
12th
16th
22nd
31st
35th
15th
76th
15th
13th
44th
35th
6th
7th
21st
14th
14th
7th
14th
16thOrdinal Numbers
10th
3rd
1st
Pangram Grep
8th
3rd
37th
18th
45th
194th
38th
25th
451st
18th
1st
23rd
30th
Pascal’s Triangle
8th
8th
4th
13th
27th
61st
53rd
29th
10th
14th
13th
13th
7th
15th
12th
36th
19th
56th
9th
50th
42nd
197th
29th
24th
18th
38th
15th
10th
59th
39th
42nd
43rd
10th
56th
15th
19th
82nd
38th
9th
9th
20th
8th
16th
9th
12th
9thPernicious Numbers
15th
18th
15th
19th
25th
48th
54th
40th
27th
30th
21st
24th
15th
20th
21st
45th
30th
46th
9th
45th
49th
167th
32nd
28th
23rd
38th
30th
12th
25th
35th
39th
53rd
13th
66th
16th
28th
97th
49th
3rd
11th
31st
16th
25th
8th
19th
24thPernicious Numbers (Long)
7th
12th
4th
11th
12th
24th
28th
22nd
9th
18th
12th
15th
10th
9th
12th
24th
16th
16th
29th
31st
65th
19th
19th
15th
17th
18th
8th
14th
12th
17th
20th
9th
81st
11th
15th
36th
19th
6th
6th
16th
8th
11th
5th
8th
13thPoker
5th
3rd
4th
Prime Numbers
29th
14th
5th
21st
25th
28th
100th
42nd
27th
25th
20th
27th
11th
27th
17th
69th
13th
97th
11th
1st
112th
384th
46th
38th
17th
79th
32nd
10th
9th
24th
61st
81st
21st
102nd
18th
15th
51st
73rd
1st
6th
41st
11th
25th
11th
21st
25thPrime Numbers (Long)
17th
18th
5th
18th
13th
42nd
66th
39th
12th
24th
17th
22nd
9th
17th
15th
39th
5th
47th
8th
1st
26th
148th
31st
34th
12th
38th
22nd
11th
12th
8th
36th
29th
17th
38th
18th
20th
67th
51st
2nd
9th
23rd
9th
15th
9th
21st
16thProximity Grid
3rd
QR Decoder
5th
68th
Quine
1st
1st
1st
116th
53rd
21st
16th
27th
10th
22nd
247th
77th
74th
1st
16th
1st
21st
1st
29th
52nd
3rd
11th
59th
1st
21st
1st
19th
12th
Recamán
13th
8th
7th
8th
14th
50th
39th
35th
11th
17th
10th
11th
6th
9th
9th
22nd
13th
23rd
8th
19th
32nd
109th
20th
15th
15th
24th
15th
8th
11th
18th
19th
31st
11th
340th
12th
13th
43rd
23rd
4th
5th
7th
5th
14th
7th
11th
10thRepeating Decimals
4th
71st
Reverse Polish Notation
6th
3rd
Rijndael S-box
3rd
2nd
Rock-paper-scissors-Spock-lizard
7th
Roman to Arabic
7th
6th
3rd
Rule 110
4th
4th
4th
11th
17th
30th
31st
17th
16th
12th
7th
5th
11th
18th
11th
26th
7th
16th
25th
88th
18th
17th
12th
22nd
10th
8th
9th
14th
12th
28th
9th
48th
6th
13th
42nd
19th
6th
8th
8th
8th
8th
7th
8thSeven Segment
4th
SI Units
2nd
4th
Sierpiński Triangle
7th
9th
4th
12th
17th
41st
33rd
16th
18th
12th
13th
10th
15th
8th
28th
12th
32nd
7th
20th
32nd
115th
23rd
10th
15th
30th
18th
8th
12th
24th
20th
37th
8th
267th
10th
13th
42nd
26th
12th
10th
14th
8th
15th
7th
12th
9thSmith Numbers
10th
5th
5th
9th
22nd
34th
25th
19th
9th
11th
9th
10th
5th
7th
8th
16th
11th
19th
7th
23rd
25th
56th
14th
9th
11th
10th
12th
7th
9th
13th
13th
15th
8th
87th
10th
11th
38th
15th
6th
4th
9th
6th
9th
5th
9th
9thSpelling Numbers
5th
Star Wars Opening Crawl
4th
Sudoku
3rd
46th
Sudoku v2
2nd
52nd
Ten-pin Bowling
5th
11th
Time Distance
5th
Tongue-twisters
7th
7th
7th
9th
28th
41st
43rd
32nd
16th
17th
13th
11th
11th
13th
10th
26th
14th
17th
9th
11th
39th
155th
16th
8th
16th
27th
16th
8th
11th
23rd
19th
49th
7th
302nd
9th
17th
43rd
23rd
10th
18th
9th
6th
14th
7th
7th
11thUnited States
6th
6th
Vampire Numbers
11th
4th
2nd
9th
24th
32nd
31st
19th
14th
13th
9th
7th
5th
8th
8th
23rd
12th
16th
7th
10th
26th
59th
11th
7th
12th
17th
12th
5th
6th
8th
7th
22nd
9th
175th
7th
8th
39th
16th
6th
5th
6th
5th
11th
3rd
6th
10thVan Eck Sequence
8th
9th
9th
10th
22nd
48th
36th
28th
10th
12th
11th
14th
4th
9th
9th
20th
17th
22nd
7th
24th
25th
82nd
16th
18th
12th
19th
13th
8th
11th
19th
21st
8th
11th
13th
38th
20th
7th
6th
10th
7th
12th
7th
12th
Zodiac Signs
3rd
γ
4th
λ
12th
3rd
5th
14th
40th
35th
21st
21st
5th
10th
14th
15th
6th
19th
13th
26th
14th
14th
8th
33rd
79th
15th
6th
23rd
14th
8th
6th
18th
9th
14th
39th
8th
119th
11th
14th
28th
14th
7th
10th
21st
5th
4th
8th
5th
8th
16thπ
14th
6th
7th
7th
51st
53rd
40th
27th
12th
16th
14th
10th
22nd
18th
38th
22nd
30th
8th
65th
168th
74th
7th
30th
15th
9th
6th
13th
40th
15th
59th
11th
386th
12th
20th
72nd
14th
6th
11th
9th
8th
5th
8th
6th
7th
14thτ
11th
4th
6th
5th
37th
26th
21st
22nd
11th
15th
14th
10th
18th
13th
33rd
19th
19th
8th
41st
86th
63rd
7th
24th
12th
7th
6th
14th
32nd
12th
40th
10th
209th
10th
21st
50th
11th
6th
7th
5th
8th
4th
8th
6th
7th
12thφ
13th
4th
5th
4th
37th
24th
21st
20th
13th
16th
17th
10th
19th
16th
36th
24th
27th
7th
38th
73rd
59th
7th
33rd
16th
7th
6th
14th
31st
14th
36th
12th
275th
9th
25th
54th
12th
6th
7th
7th
9th
4th
9th
5th
7th
13th√2
18th
4th
8th
12th
35th
29th
29th
22nd
13th
17th
17th
10th
22nd
13th
42nd
20th
40th
7th
49th
80th
49th
6th
25th
12th
7th
6th
14th
30th
10th
41st
12th
400th
9th
19th
48th
13th
6th
8th
26th
9th
4th
10th
6th
7th
14th𝑒
12th
6th
9th
5th
47th
41st
31st
28th
10th
21st
17th
11th
19th
16th
33rd
21st
29th
9th
39th
85th
65th
6th
28th
26th
9th
6th
17th
31st
41st
41st
11th
303rd
19th
15th
75th
14th
6th
6th
7th
9th
5th
8th
6th
9th
20th