12 Days of Christmas
31st
99 Bottles of Beer
12th
Abundant Numbers
24th
brainfuck
5th
Divisors
22nd
Emirp Numbers
38th
Evil Numbers
32nd
Fibonacci
23rd
Fizz Buzz
22nd
Happy Numbers
39th
Leap Years
41st
Niven Numbers
21st
Odious Numbers
32nd
Ordinal Numbers
13th
Pangram Grep
4th
Pascal’s Triangle
24th
Pernicious Numbers
40th
Poker
7th
Prime Numbers
24th
Quine
1st
United States
12th