12 Days of Christmas
33rd
99 Bottles of Beer
13th
Abundant Numbers
24th
brainfuck
6th
Divisors
22nd
Emirp Numbers
38th
Evil Numbers
32nd
Fibonacci
23rd
Fizz Buzz
23rd
Happy Numbers
39th
Leap Years
41st
Niven Numbers
21st
Odious Numbers
32nd
Ordinal Numbers
15th
Pangram Grep
7th
Pascal’s Triangle
25th
Pernicious Numbers
44th
Poker
8th
Prime Numbers
26th
Quine
1st
United States
14th