12 Days of Christmas
29th
Abundant Numbers
13th
brainfuck
30th
Christmas Trees
25th
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
43rd
Odious Numbers
58th
Ordinal Numbers
14th
Pangram Grep
35th
Pascal’s Triangle
46th
Pernicious Numbers
65th
Prime Numbers
43rd
Quine
15th
Roman to Arabic
16th
Seven Segment
54th