12 Days of Christmas
16th
99 Bottles of Beer
23rd
Abundant Numbers
17th
Arrows
19th
ASCII Table
15th
Christmas Trees
35th
CSS Colors
15th
Cubes
15th
Diamonds
9th
Divisors
14th
Evil Numbers (Long)
48th
Fibonacci
87th
Fizz Buzz
52nd291st
Foo Fizz Buzz Bar
43rd
Happy Numbers
16th
ISBN
12th
Look and Say
17th
Niven Numbers (Long)
45th
Number Spiral
13th
Poker
12th
Quine
1st
Reverse Polish Notation
8th
Rule 110
19th
Time Distance
12th
Zodiac Signs
13th