99 Bottles of Beer
12th
Divisors
30th
Emirp Numbers
21st
Evil Numbers
20th
Fibonacci
52nd
Fizz Buzz
42nd
Happy Numbers
17th
Morse Encoder
5th
Niven Numbers
34th
Odious Numbers
23rd
Pangram Grep
13th
Pascalβs Triangle
44th
Pernicious Numbers
31st
Prime Numbers
16th
Quine
39th
Roman to Arabic
9th
Seven Segment
23rd
Spelling Numbers
8th