12 Days of Christmas
61st
99 Bottles of Beer
31st
brainfuck
45th
Christmas Trees
77th
Divisors
91st
Emirp Numbers
56th
Evil Numbers
69th
Fibonacci
79th
Fizz Buzz
67th
Happy Numbers
60th
Leap Years
58th
Morse Decoder
21st
Morse Encoder
21st
Niven Numbers
58th
Odious Numbers
56th
Pangram Grep
Pascal’s Triangle
61st
Pernicious Numbers
63rd
Prime Numbers
120th
Sierpiński Triangle
40th
π
74th