12 Days of Christmas
18th
99 Bottles of Beer
11th
Abundant Numbers
24th
brainfuck
Christmas Trees
15th
Cubes
13th
Diamonds
13th
Divisors
23rd
Emirp Numbers
40th
Evil Numbers
46th
Fibonacci
23rd117th
Fizz Buzz
14th
Gray Code Encoder
17th
Hexdump
5th
Kaprekar Numbers
15th
Lucky Tickets
Morse Decoder
10th
Niven Numbers
34th
Odious Numbers
44th
PalindromemordnilaP
8th
Pangram Grep
19th
Partition Numbers
15th
Pernicious Numbers
52nd
Prime Numbers
63rd
Recamán
24th
Rijndael S-box
9th
ROT13
19th
Scrambled Sort
10th
United States
22nd
π
19th
τ
18th
φ
31st
√2
35th