12 Days of Christmas
10th15th45th21st22nd13th
18th6th
9th
12th10th28th9th
9th28th41st
9th7th9th6th
17th
82nd
56th
8th
25th11th
16th
24 Game
8th
7th
8th
6th
7th
99 Bottles of Beer
23rd
56th
19th
9th
33rd
5th
10th
78th
17th
Abundant Numbers
18th
20th
14th
26th
8th
Abundant Numbers (Long)
23rd
19th
12th
28th
Arabic to Roman
11th1st
22nd
15th
Arithmetic Numbers
24th
91st
23rd
Arrows
18th
46th
Ascending Primes
8th
10th29th
2nd
7th
44th
16th
1st
ASCII Table
8th
19th
44th
1st
9th
1st
34th
brainfuck
20th
19th
55th
Catalan Numbers
26th
8th
1st
Catalan’s Constant
14th
21st
1st
5th
86th
Christmas Trees
29th
20th
50th
9th
84th
26th
Collatz
28th
4th
110th
CSS Colors
21st
1st5th
28th
65th
Cubes
13th
9th
73rd
4th
18th
6th
Day of Week
30th
1st
79th
DFA Simulator
18th
35th
Diamonds
21st
7th
61st
30th
7th
16th
94th
Divisors
11th
25th
33rd
17th
1st
33rd
Emirp Numbers
11th
6th
17th
32nd
Emirp Numbers (Long)
27th
7th
113th
14th
32nd
Emojify
16th
4th
40th
Evil Numbers
5th
65th
1st
12th
1st
24th
13th
Evil Numbers (Long)
17th
35th
1st
15th
33rd
11th
Factorial Factorisation
9th
10th
14th
21st
23rd
Farey Sequence
13th
19th
15th
Fibonacci
31st
9th
27th8th129th53rd
4th
30th
1st36th
25th
1st1st32nd
1st
41st28th27th
1st
30th
7th61st
32nd
1st
Fizz Buzz
56th
1st
1st
1st
9th
9th
1st
79th
Foo Fizz Buzz Bar
26th
12th
1st
Forsyth–Edwards Notation
18th
36th
Fractions
26th
14th
60th
1st
Game of Life
22nd
6th
69th
Gijswijt’s Sequence
15th
49th
Happy Numbers
8th
63rd
9th
1st
9th
Happy Numbers (Long)
15th
8th
17th
Hexdump
13th
7th
1st
Intersection
24th
22nd
56th
6th
Inventory Sequence
9th
19th
8th
43rd
ISBN
9th
31st
18th
Jacobi Symbol
19th
1st
68th
Kolakoski Constant
14th
13th
5th
38th
3rd
7th
Kolakoski Sequence
23rd
19th
7th
70th
48th
Leap Years
5th
13th
5th
1st
19th
5th
75th
13th
65th
Levenshtein Distance
37th
1st
1st
21st13th
21st
Leyland Numbers
4th
8th
7th
ln 2
1st
1st
1st
Look and Say
16th
104th
9th
14th
21st
Lucky Numbers
14th
59th
7th
7th
20th
Lucky Tickets
19th
46th
Mahjong
Maze
19th
58th
Medal Tally
9th
8th
Morse Decoder
22nd
65th
Morse Encoder
2nd
2nd
Musical Chords
12th16th
15th
6th
40th
Niven Numbers
20th
1st
40th
18th
1st
Niven Numbers (Long)
17th
35th
12th
37th
Number Spiral
13th9th
15th
19th
17th
5th
36th
5th
Odious Numbers
4th
56th
1st
12th
1st
19th
Odious Numbers (Long)
5th
33rd
1st
13th
1st
11th
Ordinal Numbers
13th
4th
1st
Pangram Grep
21st
26th50th
45th
221st
12th
41st
36th
17th
98th
34th
Pascal’s Triangle
27th
11th
1st
13th46th
1st
17th
Pernicious Numbers
38th
1st
15th
181st
46th
Pernicious Numbers (Long)
29th
1st
10th
87th
18th
Poker
7th
13th
Prime Numbers
11th
40th28th
19th
1st
12th
1st
27th
7th
Prime Numbers (Long)
19th
20th
1st
14th
48th
Proximity Grid
22nd
76th
QR Decoder
15th
39th
Quine
1st19th23rd1st20th9th2nd99th133rd73rd21st11th2nd1st22nd28th4th1st12th27th1st
1st
75th3rd4th9th74th183rd64th
1st21st1st1st1st58th
38th1st4th77th
1st103rd
5th1st8th13th6th27th
25th25th
Recamán
13th
8th
4th
Repeating Decimals
1st
Reverse Polish Notation
25th
1st
62nd
94th
Rijndael S-box
36th
13th
7th
4th
24th
2nd
Rock-paper-scissors-Spock-lizard
17th
16th
116th
76th
Roman to Arabic
22nd
7th
32nd
14th
Rule 110
12th26th
11th
9th
21st
37th
Seven Segment
17th
34th
17th
SI Units
6th
14th
Sierpiński Triangle
11th31st
13th
18th
8th
39th
12th
Smith Numbers
9th
15th
8th
31st
Spelling Numbers
29th1st
139th
Star Wars Opening Crawl
18th
40th
18th
Sudoku
8th
13th
Sudoku (Fill-in)
15th
46th
Ten-pin Bowling
17th
44th
Time Distance
15th
20th
Tongue-twisters
12th
12th
30th
6th
17th
15th
4th
10th
United States
13th
11th1st
Vampire Numbers
6th
5th
18th
Van Eck Sequence
6th
8th
12th
59th
8th
1st
6th
Zodiac Signs
24th
85th
γ
12th
1st
6th
5th
λ
21st
9th
10th32nd
49th4th
6th
21st
3rd
5th
π
24th
9th
1st
6th
4th25th
13th
20th
6th
τ
20th
16th
46th
6th
4th
40th
5th
φ
14th
33rd
1st
6th
1st
166th
5th
√2
25th
1st
6th
1st
1st
5th
𝑒
24th
1st
1st
5th
26th
1st32nd15th
6th