99 Bottles of Beer
13th
Divisors
33rd
Emirp Numbers
24th
Evil Numbers
22nd
Fibonacci
65th
Fizz Buzz
47th
Happy Numbers
18th
Morse Encoder
5th
Niven Numbers
38th
Odious Numbers
26th
Pangram Grep
15th
Pascal’s Triangle
48th
Pernicious Numbers
39th
Prime Numbers
22nd
Quine
46th
Roman to Arabic
8th
Seven Segment
26th
Spelling Numbers
9th