12 Days of Christmas
9th
14th
41st
25th
20th
8th
3rd
8th
10th
8th
27th
6th
6th
25th
73rd
9th
💎
9th
9th
6th
19th
81st
13th
11th
30th
9th
14th
24 Game
5th
2nd
4th
3rd
2nd
2nd
5th
99 Bottles of Beer
20th
43rd
20th
8th
12th
5th
4th
16th
17th
Abundant Numbers
5th
15th
12th
22nd
7th
Abundant Numbers (Long)
18th
14th
12th
11th
Arabic to Roman
10th
1st
32nd
12th
Arithmetic Numbers
3rd
61st
10th
Arrows
5th
18th
Ascending Primes
6th
10th
26th
2nd
9th
33rd
10th
1st
5th
ASCII Table
15th
35th
1st
9th
1st
13th
brainfuck
20th
4th
7th
18th
Catalan Numbers
19th
5th
1st
Catalan’s Constant
13th
12th
1st
5th
40th
Christmas Trees
22nd
7th
44th
9th
35th
24th
Collatz
23rd
6th
66th
CSS Colors
15th
1st
5th
26th
31st
Cubes
12th
3rd
65th
4th
8th
6th
Day of Week
9th
1st
20th
DFA Simulator
6th
9th
Diamonds
18th
3rd
48th
25th
7th
10th
74th
Divisors
9th
22nd
24th
14th
1st
24th
Emirp Numbers
11th
2nd
5th
10th
26th
Emirp Numbers (Long)
8th
1st
7th
27th
15th
26th
Emojify
4th
4th
14th
Evil Numbers
5th
57th
1st
11th
1st
19th
Evil Numbers (Long)
15th
27th
1st
14th
29th
12th
Factorial Factorisation
9th
5th
7th
17th
Farey Sequence
6th
13th
12th
Fibonacci
34th
6th
24th
36th
111th
43rd
4th
26th
16th
29th
25th
1st
1st
28th
1st
36th
23rd
22nd
1st
51st
7th
46th
29th
1st
Fizz Buzz
48th
8th
4th
1st
8th
8th
11th
74th
Foo Fizz Buzz Bar
5th
11th
10th
Forsyth–Edwards Notation
7th
13th
Fractions
3rd
10th
7th
1st
Game of Life
6th
2nd
18th
Gijswijt’s Sequence
7th
14th
4th
Happy Numbers
5th
45th
8th
23rd
8th
Happy Numbers (Long)
14th
8th
10th
Hexdump
8th
5th
7th
Intersection
21st
11th
15th
6th
Inventory Sequence
8th
5th
8th
15th
ISBN
4th
27th
8th
Jacobi Symbol
6th
1st
22nd
Kolakoski Constant
14th
6th
5th
21st
4th
6th
Kolakoski Sequence
22nd
10th
7th
37th
42nd
Leap Years
5th
9th
5th
1st
16th
4th
68th
10th
56th
Levenshtein Distance
2nd
30th
17th
12th
15th
12th
14th
Leyland Numbers
1st
8th
1st
ln 2
1st
1st
1st
Look and Say
6th
86th
7th
13th
9th
Lucky Numbers
4th
39th
8th
6th
9th
Lucky Tickets
10th
17th
Maze
7th
16th
Medal Tally
9th
5th
Morse Decoder
6th
22nd
Morse Encoder
2nd
2nd
Musical Chords
10th
12th
8th
5th
17th
Niven Numbers
17th
13th
29th
13th
1st
Niven Numbers (Long)
12th
23rd
9th
38th
Number Spiral
13th
9th
13th
19th
16th
5th
16th
4th
Odious Numbers
6th
47th
1st
11th
1st
22nd
Odious Numbers (Long)
6th
25th
1st
12th
1st
14th
Ordinal Numbers
6th
3rd
1st
Pangram Grep
6th
20th
39th
38th
193rd
10th
35th
12th
18th
93rd
27th
Pascal’s Triangle
24th
9th
1st
10th
36th
10th
19th
Pernicious Numbers
31st
1st
12th
145th
32nd
Pernicious Numbers (Long)
20th
4th
8th
44th
15th
Poker
2nd
6th
Prime Numbers
11th
34th
28th
12th
1st
10th
1st
15th
6th
Prime Numbers (Long)
16th
15th
1st
11th
38th
Proximity Grid
12th
23rd
QR Decoder
5th
10th
Quine
1st
19th
1st
15th
6th
2nd
78th
112th
55th
12th
10th
4th
17th
23rd
12th
1st
9th
18th
1st
3rd
16th
68th
3rd
22nd
6th
63rd
171st
54th
1st
1st
16th
1st
1st
1st
49th
27th
1st
3rd
70th
1st
1st
87th
5th
1st
8th
12th
5th
18th
18th
13thRecamán
6th
8th
11th
Repeating Decimals
4th
Reverse Polish Notation
17th
1st
49th
36th
Rijndael S-box
5th
6th
4th
10th
2nd
Rock-paper-scissors-Spock-lizard
7th
11th
102nd
25th
Roman to Arabic
5th
7th
15th
15th
Rule 110
10th
21st
4th
8th
5th
37th
Seven Segment
4th
15th
17th
SI Units
3rd
6th
Sierpiński Triangle
10th
27th
8th
16th
8th
22nd
13th
Smith Numbers
9th
4th
16th
7th
12th
6th
Spelling Numbers
8th
1st
27th
Star Wars Opening Crawl
4th
10th
14th
Sudoku
3rd
6th
Sudoku v2
5th
14th
Ten-pin Bowling
3rd
15th
Time Distance
4th
7th
Tongue-twisters
12th
11th
4th
14th
20th
4th
11th
8th
United States
6th
9th
1st
Vampire Numbers
2nd
5th
5th
Van Eck Sequence
6th
4th
12th
49th
8th
1st
6th
Zodiac Signs
7th
21st
γ
11th
1st
5th
4th
λ
21st
5th
5th
39th
4th
23rd
6th
10th
3rd
4th
π
24th
7th
1st
6th
4th
20th
7th
21st
5th
τ
20th
9th
41st
6th
4th
18th
4th
φ
14th
28th
1st
6th
1st
163rd
4th
√2
23rd
1st
6th
1st
1st
4th
𝑒
24th
1st
1st
6th
19th
1st
19th
15th
5th