12 Days of Christmas
28th
Abundant Numbers
12th
brainfuck
30th
Christmas Trees
23rd
Diamonds
36th
Divisors
14th
Emirp Numbers
30th
Evil Numbers
49th
Fibonacci
12th
Fizz Buzz
21st
Happy Numbers
51st
Leap Years
7th
Morse Decoder
10th
Niven Numbers
42nd
Odious Numbers
57th
Ordinal Numbers
14th
Pangram Grep
35th
Pascal’s Triangle
46th
Pernicious Numbers
65th
Prime Numbers
43rd
Quine
22nd
Roman to Arabic
16th
Seven Segment
53rd