99 Bottles of Beer
12th
Divisors
31st
Emirp Numbers
22nd
Evil Numbers
21st
Fibonacci
55th
Fizz Buzz
43rd
Happy Numbers
17th
Morse Encoder
5th
Niven Numbers
35th
Odious Numbers
24th
Pangram Grep
13th
Pascalβs Triangle
44th
Pernicious Numbers
32nd
Prime Numbers
18th
Quine
42nd
Roman to Arabic
8th
Seven Segment
23rd
Spelling Numbers
8th