12 Days of Christmas
15th
99 Bottles of Beer
9th
Abundant Numbers
17th
brainfuck
Christmas Trees
11th
Cubes
9th
Diamonds
8th
Divisors
19th
Emirp Numbers
35th
Evil Numbers
43rd
Fibonacci
1st106th
Fizz Buzz
10th
Hexdump
4th
Kaprekar Numbers
11th
Lucky Tickets
Morse Decoder
7th
Niven Numbers
29th
Odious Numbers
37th
PalindromemordnilaP
6th
Pangram Grep
13th
Partition Numbers
9th
Pernicious Numbers
43rd
Prime Numbers
57th
Recamán
18th
Rijndael S-box
7th
ROT13
13th
Scrambled Sort
5th
United States
19th
π
13th
τ
11th
φ
29th
√2
33rd