12 Days of Christmas
54th
brainfuck
30th
26th
Christmas Trees
44th
Diamonds
17th
Divisors
55th
Evil Numbers
81st
Fibonacci
1,344th
163rd
Fizz Buzz
151st
515th
266th
1,768th
94th
Foo Fizz Buzz Bar
28th
Hexdump
11th
Look and Say
13th
Niven Numbers
42nd
50th
Niven Numbers (Long)
23rd
25th
Odious Numbers
60th
Prime Numbers
213th
913th
61st
Quine
52nd
π
95th
13th