12 Days of Christmas
21st
31st936th
99 Bottles of Beer
29th
311th
27th438th
Abundant Numbers
31st
40th689th
Arabic to Roman
27th348th
brainfuck
329th
Christmas Trees
45th
437th
Cubes
312th
Diamonds
31st
495th
Divisors
25th
78th599th
Emirp Numbers
28th
499th
Evil Numbers
38th
786th
Fibonacci
114th42nd468th65th95th194th68th
474th86th204th83rd93rd100th863rd48th249th215th73rd
Fizz Buzz
94th578th
466th1,154th
189th246th524th
139th
Happy Numbers
26th
54th429th
Leap Years
25th
72nd724th
Leyland Numbers
18th333rd
Morse Decoder
213th
Morse Encoder
243rd
Niven Numbers
31st
52nd685th
Odious Numbers
33rd
59th487th
Ordinal Numbers
27th244th
Pangram Grep
473rd
Pascal’s Triangle
17th
419th
Pernicious Numbers
32nd
565th
Poker
96th
Prime Numbers
40th
127th621st
Quine
100th246th
132nd
112th108th63rd
99th130th
Rock-paper-scissors-Spock-lizard
234th
Roman to Arabic
293rd
Rule 110
250th
Seven Segment
314th
Sierpiński Triangle
24th316th
Spelling Numbers
159th
Sudoku
8th99th
Ten-pin Bowling
10th103rd
United States
114th
16th231st
λ
21st
π
31st
335th
τ
20th
φ
29th
√2
29th
𝑒
21st