99 Bottles of Beer
12th
Divisors
31st
Emirp Numbers
22nd
Evil Numbers
21st
Fibonacci
60th
Fizz Buzz
43rd
Happy Numbers
17th
Morse Encoder
5th
Niven Numbers
36th
Odious Numbers
24th
Pangram Grep
12th
Pascal’s Triangle
45th
Pernicious Numbers
33rd
Prime Numbers
19th
Quine
44th
Roman to Arabic
8th
Seven Segment
23rd
Spelling Numbers
8th