12 Days of Christmas
43rd
Christmas Trees
56th
Divisors
39th
Emirp Numbers
80th
Evil Numbers
83rd
Fibonacci
171st
Fizz Buzz
192nd
Happy Numbers
40th
Morse Decoder
22nd
Niven Numbers
91st
Odious Numbers
70th
Pangram Grep
58th
Pascal’s Triangle
60th
Pernicious Numbers
83rd
Prime Numbers
110th
Quine
99th
Roman to Arabic
39th
Seven Segment
30th