99 Bottles of Beer
20th
Divisors
13th1st
Evil Numbers
12th8th
Evil Numbers (Long)
4th
Fibonacci
15th18th
Fizz Buzz
30th
Foo Fizz Buzz Bar
15th
Happy Numbers
19th
Intersection
4th8th
Leap Years
43rd
Odious Numbers
1st
Odious Numbers (Long)
10th
Prime Numbers
21st
Prime Numbers (Long)
1st
Tongue-twisters
9th