12 Days of Christmas
26th
Abundant Numbers
17th
brainfuck
28th
Christmas Trees
22nd
Diamonds
36th
Divisors
15th
Emirp Numbers
28th
Evil Numbers
49th
Fibonacci
47th
Fizz Buzz
21st
Happy Numbers
50th
Leap Years
20th
Morse Decoder
10th
Niven Numbers
44th
Odious Numbers
53rd
Ordinal Numbers
18th
Pangram Grep
35th
Pascal’s Triangle
46th
Pernicious Numbers
60th
Prime Numbers
43rd
Quine
22nd
Roman to Arabic
16th
Seven Segment
52nd