12 Days of Christmas
16th
99 Bottles of Beer
22nd
Abundant Numbers
17th
Arrows
18th
ASCII Table
15th
Christmas Trees
35th
CSS Colors
13th
Cubes
13th
Diamonds
9th
Divisors
13th
Evil Numbers (Long)
38th
Fibonacci
75th
Fizz Buzz
48th281st
Foo Fizz Buzz Bar
39th
Happy Numbers
16th
ISBN
12th
Look and Say
15th
Niven Numbers (Long)
38th
Number Spiral
12th
Poker
11th
Quine
1st
Reverse Polish Notation
8th
Rule 110
19th
Time Distance
12th
Zodiac Signs
13th