99 Bottles of Beer
11th
Divisors
20th
Emirp Numbers
20th
Evil Numbers
22nd
Fibonacci
27th
Fizz Buzz
68th
Happy Numbers
10th
Morse Encoder
8th
Niven Numbers
14th
Odious Numbers
18th
Pangram Grep
9th
Pascalβs Triangle
41st
Pernicious Numbers
27th
Prime Numbers
25th
Quine
37th
Roman to Arabic
9th
Seven Segment
23rd
Spelling Numbers
7th