12 Days of Christmas
30th
99 Bottles of Beer
11th
Abundant Numbers
18th
brainfuck
5th
Divisors
20th
Emirp Numbers
35th
Evil Numbers
31st
Fibonacci
1st
Fizz Buzz
21st
Happy Numbers
31st
Leap Years
36th
Niven Numbers
17th
Odious Numbers
30th
Ordinal Numbers
12th
Pangram Grep
4th
Pascal’s Triangle
24th
Pernicious Numbers
37th
Poker
7th
Prime Numbers
21st
Quine
1st
United States
12th