12 Days of Christmas
45th
Christmas Trees
60th
Divisors
42nd
Emirp Numbers
86th
Evil Numbers
88th
Fibonacci
185th
Fizz Buzz
206th
Happy Numbers
44th
Morse Decoder
23rd
Niven Numbers
100th
Odious Numbers
75th
Pangram Grep
64th
Pascal’s Triangle
63rd
Pernicious Numbers
89th
Prime Numbers
116th
Quine
97th
Roman to Arabic
41st
Seven Segment
30th