12 Days of Christmas
20th
99 Bottles of Beer
14th
Abundant Numbers
16th
brainfuck
9th
Christmas Trees
20th
Diamonds
11th
Divisors
3rd
Emirp Numbers
12th
Evil Numbers
31st
Fibonacci
67th
Fizz Buzz
93rd
Leap Years
40th
Niven Numbers
33rd
Odious Numbers
30th
Ordinal Numbers
13th
Pangram Grep
27th
Pascal’s Triangle
17th
Pernicious Numbers
29th
Prime Numbers
11th
Quine
8th
United States
9th