12 Days of Christmas
50th
Christmas Trees
67th
Divisors
52nd
Emirp Numbers
93rd
Evil Numbers
95th
Fibonacci
196th
Fizz Buzz
213th
Happy Numbers
50th
Morse Decoder
30th
Niven Numbers
110th
Odious Numbers
82nd
Pangram Grep
69th
Pascal’s Triangle
71st
Pernicious Numbers
99th
Prime Numbers
126th
Quine
102nd
Roman to Arabic
44th
Seven Segment
35th