12 Days of Christmas
68th
99 Bottles of Beer
35th
brainfuck
50th
Christmas Trees
79th
Divisors
99th
Emirp Numbers
63rd
Evil Numbers
71st
Fibonacci
89th
Fizz Buzz
77th
Happy Numbers
69th
Leap Years
65th
Morse Decoder
24th
Morse Encoder
28th
Niven Numbers
67th
Odious Numbers
60th
Pangram Grep
Pascal’s Triangle
72nd
Pernicious Numbers
74th
Prime Numbers
127th
Sierpiński Triangle
42nd
π
77th