12 Days of Christmas
72nd
99 Bottles of Beer
40th
brainfuck
55th
Christmas Trees
85th
Divisors
104th
Emirp Numbers
68th
Evil Numbers
77th
Fibonacci
91st
Fizz Buzz
81st
Happy Numbers
70th
Leap Years
68th
Morse Decoder
25th
Morse Encoder
29th
Niven Numbers
71st
Odious Numbers
64th
Pangram Grep
Pascal’s Triangle
76th
Pernicious Numbers
76th
Prime Numbers
132nd
Sierpiński Triangle
45th
π
47th