12 Days of Christmas
36th
brainfuck
13th
Christmas Trees
5th
Divisors
1st
Emirp Numbers
8th
Emojify
Evil Numbers
14th
Fizz Buzz
11th
Happy Numbers
7th
Intersection
10th
Kolakoski Sequence
11th
Leap Years
28th
Leyland Numbers
2nd
Niven Numbers
36th
Ordinal Numbers
17th
Pangram Grep
Pernicious Numbers
26th
Poker
Prime Numbers
1st
Quine
1st
United States
7th
π
6th