12 Days of Christmas
9th
99 Bottles of Beer
5th
Abundant Numbers
8th
ASCII Table
4th
Christmas Trees
17th
Collatz
3rd
Cubes
13th
Diamonds
11th
Divisors
25th
Fizz Buzz
1st
Foo Fizz Buzz Bar
9th
Leap Years
17th
Number Spiral
3rd
Prime Numbers
25th
Quine
1st
Rock-paper-scissors-Spock-lizard
11th
Rule 110
12th
Star Wars Opening Crawl
12th
Tongue-twisters
8th
United States
7th