12 Days of Christmas
21st
32nd140th
99 Bottles of Beer
29th
315th
27th460th
Abundant Numbers
31st
40th707th
Arabic to Roman
27th353rd
brainfuck
330th
Christmas Trees
45th
447th
Cubes
308th
Diamonds
31st
494th
Divisors
25th
78th609th
Emirp Numbers
28th
506th
Evil Numbers
38th
782nd
Fibonacci
114th41st465th66th98th192nd66th
472nd84th204th83rd92nd100th858th55th247th214th72nd
Fizz Buzz
94th576th
461st1,152nd
188th246th571st
138th
Happy Numbers
25th
53rd436th
Leap Years
25th
72nd729th
Leyland Numbers
18th330th
Morse Decoder
197th
Morse Encoder
222nd
Niven Numbers
30th
52nd691st
Odious Numbers
33rd
59th488th
Ordinal Numbers
27th260th
Pangram Grep
472nd
Pascal’s Triangle
17th
423rd
Pernicious Numbers
32nd
566th
Poker
102nd
Prime Numbers
39th
127th629th
Quine
99th245th
132nd
112th108th63rd
99th130th
Rock-paper-scissors-Spock-lizard
244th
Roman to Arabic
297th
Rule 110
240th
Seven Segment
313th
Sierpiński Triangle
24th312th
Spelling Numbers
165th
Sudoku
8th104th
Ten-pin Bowling
10th101st
United States
126th
16th241st
λ
21st
π
31st
342nd
τ
20th
φ
29th
√2
29th
𝑒
21st