Abundant Numbers
16th
Abundant Numbers (Long)
9th
Christmas Trees
7th
Day of Week
4th62nd
Diamonds
Divisors
39th
Evil Numbers
43rd
Evil Numbers (Long)
28th
Fibonacci
41st
Fizz Buzz
35th
Foo Fizz Buzz Bar
13th
Forsyth–Edwards Notation
6th
Fractions
7th
Niven Numbers
18th
Niven Numbers (Long)
11th
Number Spiral
16th
Odious Numbers
36th
Odious Numbers (Long)
25th
Prime Numbers
1st
Prime Numbers (Long)
1st
Rock-paper-scissors-Spock-lizard
8th