12 Days of Christmas
17th21st
99 Bottles of Beer
33rd20th
Abundant Numbers
19th31st
Arabic to Roman
6th
brainfuck
20th
Christmas Trees
11th
Cubes
14th
Diamonds
8th
Divisors
57th5th
Emirp Numbers
27th
Evil Numbers
41st25th
Fibonacci
44th74th
Fizz Buzz
30th56th
Happy Numbers
26th20th
Leap Years
56th27th
Morse Encoder
6th
Niven Numbers
39th24th
Odious Numbers
40th25th
Ordinal Numbers
21st
Pangram Grep
31st
Pascal’s Triangle
13th11th
Pernicious Numbers
35th29th
Prime Numbers
44th19th
Quine
91st
Roman to Arabic
11th8th
Rule 110
12th
Seven Segment
9th3rd
Sierpiński Triangle
9th8th
Spelling Numbers
9th