12 Days of Christmas
50th
Christmas Trees
65th
Divisors
44th
Emirp Numbers
91st
Evil Numbers
92nd
Fibonacci
190th
Fizz Buzz
210th
Happy Numbers
54th
Morse Decoder
25th
Niven Numbers
104th
Odious Numbers
79th
Pangram Grep
67th
Pascal’s Triangle
68th
Pernicious Numbers
92nd
Prime Numbers
119th
Quine
100th
Roman to Arabic
44th
Seven Segment
33rd