99 Bottles of Beer
12th
Divisors
22nd
Emirp Numbers
21st
Evil Numbers
25th
Fibonacci
38th
Fizz Buzz
76th
Happy Numbers
10th
Morse Encoder
8th
Niven Numbers
15th
Odious Numbers
20th
Pangram Grep
10th
Pascal’s Triangle
43rd
Pernicious Numbers
34th
Prime Numbers
32nd
Quine
43rd
Roman to Arabic
9th
Seven Segment
26th
Spelling Numbers
7th