12 Days of Christmas
2nd
35th
70th
4th
5th
7th
8th
37th
5th
40th
36th
30th
2nd
7th
7th
2nd24 Game
49th
2nd99 Bottles of Beer
2nd
43rd
40th
10th
3rd
7th
26th
5th
13th
26th
50th
4th
5th
4thAbundant Numbers
9th
10th
10th
7th
31st
36th
17th
3rd
4th
9th
22nd
11th
9th
6th
4th
3rd
15th
13th
22nd
12th
50th
32nd
10th
4th
39th
💎
73rd
7th
8th
7th
13th
5thAbundant Numbers (Long)
8th
9th
9th
5th
25th
23rd
15th
1st
16th
16th
9th
4th
11th
8th
9th
14th
3rd
30th
23rd
29th
5th
36th
4th
5th
8th
6thArabic to Roman
3rd
7th
5th
6th
15th
1st
4th
62nd
10th
36th
40th
4th
3rd
2ndArithmetic Numbers
6th
5th
5th
13th
11th
13th
5th
7th
4th
7th
5th
6th
7th
7th
5th
10th
20th
16th
16th
8th
6th
9th
10th
10th
4th
20th
5th
10th
4th
7th
3rdArrows
4th
13th
5th
14th
11th
16th
56th
36th
3rd
4th
5thAscending Primes
5th
3rd
6th
28th
11th
16th
3rd
3rd
11th
7th
8th
1st
8th
27th
2nd
7th
4th
22nd
9th
2nd
22nd
2nd
4th
💎
4th
4thASCII Table
9th
8th
57th
22nd
16th
4th
6th
6th
11th
6th
12th
17th
14th
2nd
3rd
3rdbrainfuck
44th
15th
18th
4thCatalan Numbers
4th
12th
8th
4th
25th
14th
10th
9th
12th
6th
14th
16th
31st
10th
8th
16th
15th
90th
36th
10th
4th
7thCatalan’s Constant
3rd
7th
2nd
3rd
24th
5th
12th
4th
2nd
18th
7th
8th
7th
4th
6th
5th
3rd
3rd
6th
11th
5th
15th
29th
1st
5th
4th
8th
5th
5th
3rd
10th
10th
11th
7th
88th
9th
12th
💎
20th
9th
7th
4th
4th
8th
4th
5th
4th
4th
4thChristmas Trees
6th
5th
23rd
30th
14th
5th
8th
5th
3rd
11th
7th
13th
65th
14th
32nd
35th
3rd
12th
6th
9th
3rdCollatz
6th
11th
10th
38th
3rd
12th
16th
6th
11th
7th
12th
3rd
61st
27th
11th
29th
2nd
20th
5th
3rd
15th
4thCSS Colors
4th
8th
2nd
16th
7th
6th
23rd
7th
1st
40th
34th
5th
3rdCubes
3rd
25th
8th
11th
15th
2nd
💎Day of Week
4th
4th
1st
8th
1st
6th
8th
6th
9th
1st
4th
1st
1st
1st
57th
9th
10th
18th
46th
1st
11th
4th
14th
11th
3rd
2ndDFA Simulator
48th
Diamonds
6th
26th
17th
4th
11th
26th
8th
14th
5th
22nd
46th
34th
5th
52nd
3rdDivisors
10th
27th
11th
6th
41st
24th
22nd
10th
20th
4th
9th
8th
21st
6th
8th
12th
26th
21st
55th
12th
47th
11th
1st
6th
1st
29th
9th
3rd
13th
1stEmirp Numbers
8th
6th
5th
6th
13th
5th
3rd
1st
7th
9th
7th
7th
1st
3rd
3rd
29th
13th
12th
18th
15th
6th
30th
1st
10th
3rd
14th
28th
4th
7th
3rd
6thEmirp Numbers (Long)
4th
6th
4th
20th
9th
13th
8th
9th
6th
5th
8th
7th
22nd
11th
11th
33rd
4th
10th
3rd
5th
3rdEmojify
4th
13th
9th
13th
7th
66th
5th
4thEvil Numbers
7th
10th
7th
8th
13th
12th
10th
5th
1st
5th
10th
8th
1st
3rd
8th
1st
18th
9th
27th
11th
35th
4th
7th
13th
12th
36th
21st
12th
13th
10th
16th
18th
24th
10th
1st
10th
2nd
28th
31st
11th
8th
5th
7th
6th
10th
4thEvil Numbers (Long)
7th
7th
4th
6th
19th
6th
12th
5th
5th
9th
5th
1st
7th
1st
10th
6th
25th
25th
7th
11th
5th
30th
11th
5th
11th
12th
13th
12th
1st
8th
5th
20th
13th
6th
1st
5th
2nd
4th
3rdFactorial Factorisation
5th
6th
3rd
6th
9th
23rd
11th
15th
6th
17th
8th
7th
6th
3rd
5th
1st
9th
5th
8th
4th
9th
10th
8th
9th
7th
4th
3rd
8th
10th
4th
64th
7th
4th
24th
8th
12th
4th
7th
3rd
6th
2nd
5th
5thFarey Sequence
8th
5th
12th
29th
16th
19th
19th
9th
11th
10th
10th
35th
11th
11th
12th
36th
7th
4th
11th
9th
6th
5th
4thFibonacci
2nd
27th
3rd
1st
61st
1st
31st
2nd
12th
9th
8th
22nd
1st
1st
8th
24th
1st
23rd
1st
49th
20th
20th
23rd
1st
50th
29th
21st
1st
3rd
13th
14th
10th
1st
20th
1st
15th
9th
1st
54th
46th
5th
22nd
1st
1st
9th
8th
10thFizz Buzz
1st
98th
10th
1st
32nd
87th
15th
4th
25th
11th
13th
25th
4th
5th
12th
24th
50th
12th
118th
1st
30th
9th
46th
8th
31st
70th
28th
37th
5th
113th
63rd
51st
20th
10th
18th
32nd
4thFoo Fizz Buzz Bar
1st
7th
2nd
49th
38th
18th
6th
7th
5th
8th
8th
4th
6th
10th
22nd
39th
24th
10th
36th
10th
16th
6th
22nd
16th
6th
8th
4th
9th
2ndForsyth–Edwards Notation
2nd
14th
16th
7th
3rd
21st
9th
36th
9th
25th
6th
💎Fractions
5th
44th
20th
7th
7th
10th
7th
15th
32nd
21st
20th
3rd
4thGame of Life
38th
21st
Gijswijt’s Sequence
3rd
2nd
6th
8th
7th
4th
14th
6th
5th
7th
7th
27th
2nd
7th
7th
2nd
5th
💎Happy Numbers
12th
10th
6th
7th
10th
18th
6th
3rd
1st
12th
13th
10th
9th
1st
4th
3rd
7th
15th
14th
19th
26th
4th
10th
8th
20th
1st
31st
9th
5th
30th
17th
7th
8th
6th
17th
5th
4thHappy Numbers (Long)
10th
7th
5th
7th
21st
13th
7th
6th
22nd
17th
10th
5th
6th
5th
9th
1st
6th
47th
16th
10th
5th
8th
31st
8th
6th
5th
3rd
4th
4th
9th
2ndHexdump
4th
16th
20th
5th
3rd
7th
9th
8th
19th
3rd
💎Intersection
5th
39th
19th
6th
4th
15th
3rd
6th
2ndInventory Sequence
13th
8th
32nd
21st
23rd
5th
20th
8th
8th
17th
88th
4th
6th
7th
6thISBN
6th
7th
16th
29th
9th
5th
5th
9th
10th
7th
12th
37th
14th
6th
8th
16th
24th
3rd
4th
4thJacobi Symbol
5th
20th
12th
7th
23rd
29th
3rdKolakoski Constant
3rd
7th
2nd
3rd
23rd
10th
10th
8th
2nd
21st
8th
7th
8th
4th
5th
5th
4th
5th
7th
14th
6th
17th
28th
12th
5th
5th
9th
5th
5th
4th
11th
11th
12th
6th
90th
8th
13th
3rd
29th
8th
7th
5th
4th
8th
6th
5th
4th
5th
3rdKolakoski Sequence
9th
5th
10th
24th
15th
11th
3rd
7th
5th
8th
1st
11th
27th
10th
12th
13th
12th
3rd
6th
11th
2ndLeap Years
14th
30th
7th
10th
63rd
43rd
26th
3rd
8th
22nd
17th
9th
13th
6th
11th
1st
15th
11th
51st
24th
87th
28th
11th
65th
17th
13th
21st
20th
24th
20th
172nd
19th
42nd
3rd
39th
66th
9th
26th
5th
16th
4th
13th
9thLevenshtein Distance
8th
5th
27th
1st
35th
7th
11th
9th
6thLeyland Numbers
7th
6th
15th
10th
5th
7th
6th
13th
52nd
13th
1st
4th
6th
2ndln 2
3rd
7th
3rd
4th
15th
13th
13th
11th
4th
22nd
8th
9th
8th
3rd
6th
7th
4th
7th
11th
13th
3rd
18th
30th
21st
3rd
3rd
9th
5th
4th
3rd
23rd
7th
12th
7th
42nd
8th
11th
4th
19th
7th
5th
4th
4th
6th
3rd
5th
4th
5th
5thLook and Say
4th
5th
10th
10th
5th
8th
4th
7th
7th
14th
40th
3rd
5th
3rdLucky Numbers
6th
12th
19th
18th
83rd
3rd
6thLucky Tickets
108th
4thMahjong
4th
4th
6th
Maze
19th
Medal Tally
8th
5th
20th
42nd
3rd
4th
💎Morse Decoder
3rd
8th
18th
108th
2ndMorse Encoder
4th
18th
93rd
3rdMusical Chords
16th
10th
8th
6th
4thN Queens
9th
30th
💎Niven Numbers
10th
8th
2nd
1st
31st
8th
19th
2nd
1st
1st
1st
1st
1st
1st
3rd
3rd
9th
15th
1st
1st
27th
3rd
1st
1st
5th
21st
11th
1st
1st
1st
12th
12th
4th
7th
1st
50th
12th
16th
2nd
23rd
1st
7th
6th
1st
6th
3rd
5th
1st
3rdNiven Numbers (Long)
10th
6th
1st
3rd
16th
21st
11th
7th
12th
21st
7th
3rd
7th
3rd
1st
8th
8th
4th
23rd
22nd
10th
3rd
57th
1st
17th
6th
4th
3rd
2nd
9th
18th
21st
11th
1st
33rd
11th
11th
4th
46th
4th
4th
3rd
9th
3rd
2nd
4th
3rdNumber Spiral
3rd
7th
19th
11th
11th
3rd
4th
6th
6th
8th
6th
10th
13th
25th
💎
3rd
4th
2nd
💎Odious Numbers
8th
11th
6th
9th
12th
12th
7th
2nd
1st
6th
10th
9th
1st
3rd
7th
3rd
15th
8th
25th
11th
37th
3rd
7th
11th
12th
33rd
21st
12th
12th
10th
18th
15th
21st
11th
1st
11th
2nd
24th
29th
11th
8th
6th
7th
7th
9th
5thOdious Numbers (Long)
9th
6th
4th
6th
11th
6th
6th
1st
6th
10th
6th
1st
6th
1st
10th
6th
23rd
24th
6th
10th
4th
28th
4th
5th
11th
9th
12th
12th
1st
11th
5th
17th
11th
6th
2nd
5th
2nd
4th
3rdOrdinal Numbers
7th
54th
32nd
19th
5th
9th
58th
3rd
4th
6th
4thPangram Grep
4th
26th
27th
11th
4th
6th
17th
8th
31st
8th
8th
8th
19th
55th
7th
13th
8th
28th
21st
4th
78th
32nd
13th
5th
7th
10th
2ndPascal’s Triangle
5th
9th
43rd
14th
17th
6th
19th
8th
14th
12th
25th
21st
77th
5th
7th
9th
3rdPernicious Numbers
1st
6th
1st
1st
17th
1st
1st
1st
4th
1st
1st
1st
1st
1st
1st
1st
3rd
7th
12th
1st
17th
25th
8th
25th
5th
1st
1st
9th
22nd
5th
1st
1st
1st
1st
1st
1st
1st
1st
1st
10th
1st
2nd
3rd
1st
16th
11th
1st
1st
5th
1st
4th
1st
3rdPernicious Numbers (Long)
8th
5th
8th
22nd
12th
17th
2nd
18th
11th
7th
5th
1st
8th
10th
10th
23rd
5th
18th
23rd
11th
15th
5th
7th
7th
7th
10th
12th
32nd
10th
4th
26th
13th
4th
8thPoker
💎Prime Numbers
8th
26th
9th
1st
39th
18th
27th
2nd
1st
1st
19th
8th
8th
1st
5th
1st
7th
1st
13th
1st
1st
18th
64th
19th
1st
12th
18th
8th
7th
12th
24th
15th
1st
1st
7th
53rd
1st
9th
12th
21st
5th
6th
5th
9th
14th
5thPrime Numbers (Long)
9th
7th
7th
1st
31st
8th
23rd
3rd
27th
9th
3rd
1st
10th
1st
7th
42nd
28th
1st
10th
15th
9th
129th
12th
23rd
4th
34th
14th
1st
4th
14th
1stProximity Grid
9th
4thQR Decoder
4thQuine
1st
1st
1st
13th
23rd
6th
57th
24th
24th
1st
5th
1st
1st
3rd
5th
27th
10th
22nd
16th
41st
25th
1st
1st
1st
1st
1st
1st
4th
52nd
67th
5th
1st
1st
1st
43rd
4th
1stRecamán
6th
43rd
26th
24th
18th
19th
81st
66th
3rd
7th
8th
4thRepeating Decimals
26th
Reverse Polish Notation
5th
15th
43rd
Rijndael S-box
4th
20th
7th
1st
💎
8thRock-paper-scissors-Spock-lizard
2nd
5th
17th
8th
4th
127th
2nd
💎Roman to Arabic
7th
23rd
15th
25th
1st
80th
5thRule 110
19th
4th
222nd
4thSeven Segment
4th
43rd
13th
4th
6th
10th
36th
5th
3rd
2ndSI Units
5th
19th
3rdSierpiński Triangle
6th
8th
7th
38th
20th
17th
4th
12th
8th
6th
13th
13th
36th
3rd
10th
7th
8th
3rdSmith Numbers
17th
8th
4th
6thSpelling Numbers
7th
6th
7th
36th
2ndStar Wars Opening Crawl
5th
9th
28th
💎
2ndSudoku
16th
56th
3rdSudoku v2
15th
74th
Ten-pin Bowling
6th
Time Distance
2nd
11th
17th
24th
💎Tongue-twisters
4th
2nd
21st
20th
15th
3rd
7th
5th
6th
8th
8th
9th
13th
26th
24th
3rd
6th
4th
3rdUnited States
14th
22nd
111th
3rdVampire Numbers
4th
9th
3rd
21st
9th
4th
4th
5th
2nd
6th
133rd
2nd
30th
4th
2nd
3rdVan Eck Sequence
7th
6th
29th
15th
16th
22nd
10th
8th
170th
4th
5th
10th
2ndZodiac Signs
22nd
94th
γ
4th
6th
3rd
3rd
24th
5th
8th
1st
2nd
9th
7th
7th
7th
💎
4th
3rd
4th
3rd
4th
5th
5th
11th
12th
1st
3rd
3rd
8th
5th
6th
2nd
6th
9th
9th
3rd
37th
9th
10th
💎
14th
7th
5th
3rd
3rd
4th
5th
3rd
4th
3rd
2ndλ
3rd
10th
5th
3rd
44th
6th
5th
1st
3rd
11th
3rd
10th
6th
2nd
6th
2nd
4th
2nd
7th
14th
6th
17th
25th
15th
6th
2nd
14th
8th
6th
5th
9th
17th
14th
3rd
36th
11th
14th
💎
28th
14th
11th
10th
6th
5th
4th
5th
5th
5th
4thπ
3rd
10th
7th
5th
59th
38th
23rd
16th
4th
20th
9th
14th
9th
6th
9th
6th
5th
13th
14th
30th
5th
38th
120th
1st
7th
12th
15th
9th
6th
5th
25th
20th
29th
8th
96th
12th
36th
5th
24th
14th
10th
11th
9th
8th
5th
5th
6th
4th
4thτ
4th
9th
5th
4th
41st
20th
18th
12th
4th
20th
9th
12th
9th
6th
7th
6th
5th
12th
12th
19th
5th
29th
68th
30th
7th
11th
12th
7th
6th
5th
24th
15th
16th
8th
82nd
10th
21st
5th
21st
11th
10th
7th
5th
8th
4th
5th
6th
4th
4thφ
4th
8th
4th
4th
41st
17th
18th
7th
6th
8th
8th
7th
9th
6th
9th
6th
5th
5th
19th
16th
27th
5th
20th
44th
1st
7th
19th
16th
7th
6th
5th
24th
17th
8th
10th
1st
9th
25th
6th
19th
12th
10th
7th
7th
7th
4th
6th
5th
5th
3rd√2
4th
8th
5th
4th
39th
16th
24th
7th
7th
25th
10th
9th
11th
6th
11th
7th
5th
1st
13th
26th
5th
1st
64th
33rd
6th
10th
12th
7th
6th
5th
24th
13th
17th
9th
77th
9th
19th
5th
38th
13th
11th
8th
7th
9th
4th
7th
6th
5th
3rd𝑒
6th
11th
5th
7th
51st
36th
27th
21st
4th
24th
8th
15th
9th
7th
8th
8th
5th
17th
13th
29th
12th
5th
25th
63rd
1st
6th
11th
14th
9th
6th
5th
23rd
19th
17th
8th
61st
19th
31st
5th
32nd
14th
9th
6th
7th
9th
5th
5th
6th
7th
6th