12 Days of Christmas
31st
99 Bottles of Beer
12th
Abundant Numbers
19th
brainfuck
5th
Divisors
20th
Emirp Numbers
36th
Evil Numbers
32nd
Fibonacci
1st
Fizz Buzz
21st
Happy Numbers
33rd
Leap Years
37th
Niven Numbers
17th
Odious Numbers
31st
Ordinal Numbers
12th
Pangram Grep
4th
Pascal’s Triangle
24th
Pernicious Numbers
37th
Poker
7th
Prime Numbers
21st
Quine
1st
United States
12th