12 Days of Christmas
22nd
99 Bottles of Beer
14th
Abundant Numbers
20th
brainfuck
11th
Christmas Trees
23rd
Diamonds
14th
Divisors
6th
Emirp Numbers
13th
Evil Numbers
34th
Fibonacci
75th
Fizz Buzz
96th
Leap Years
43rd
Niven Numbers
37th
Odious Numbers
33rd
Ordinal Numbers
14th
Pangram Grep
32nd
Pascal’s Triangle
20th
Pernicious Numbers
38th
Prime Numbers
14th
Quine
9th
United States
10th