12 Days of Christmas
44th
Christmas Trees
60th
Divisors
41st
Emirp Numbers
86th
Evil Numbers
87th
Fibonacci
183rd
Fizz Buzz
203rd
Happy Numbers
44th
Morse Decoder
23rd
Niven Numbers
100th
Odious Numbers
74th
Pangram Grep
62nd
Pascal’s Triangle
63rd
Pernicious Numbers
89th
Prime Numbers
115th
Quine
110th
Roman to Arabic
41st
Seven Segment
30th