Abundant Numbers
20th
Abundant Numbers (Long)
13th
Christmas Trees
7th
Day of Week
5th71st
Diamonds
Divisors
41st
Evil Numbers
47th
Evil Numbers (Long)
33rd
Fibonacci
47th
Fizz Buzz
38th
Foo Fizz Buzz Bar
14th
Forsyth–Edwards Notation
6th
Fractions
8th
Niven Numbers
22nd
Niven Numbers (Long)
16th
Number Spiral
16th
Odious Numbers
41st
Odious Numbers (Long)
30th
Prime Numbers
1st
Prime Numbers (Long)
1st
Rock-paper-scissors-Spock-lizard
6th