12 Days of Christmas
47th
Christmas Trees
59th
Divisors
41st
Emirp Numbers
87th
Evil Numbers
87th
Fibonacci
181st
Fizz Buzz
201st
Happy Numbers
52nd
Morse Decoder
24th
Niven Numbers
99th
Odious Numbers
74th
Pangram Grep
62nd
Pascal’s Triangle
63rd
Pernicious Numbers
87th
Prime Numbers
114th
Quine
110th
Roman to Arabic
44th
Seven Segment
33rd