12 Days of Christmas
26th
99 Bottles of Beer
11th
Abundant Numbers
13th
brainfuck
4th
Divisors
18th
Emirp Numbers
30th
Evil Numbers
26th
Fibonacci
1st
Fizz Buzz
18th
Happy Numbers
24th
Leap Years
31st
Niven Numbers
14th
Odious Numbers
24th
Ordinal Numbers
11th
Pangram Grep
4th
Pascalβs Triangle
19th
Pernicious Numbers
30th
Poker
6th
Prime Numbers
18th
Quine
1st
United States
11th