12 Days of Christmas
16th19th
99 Bottles of Beer
30th19th
Abundant Numbers
15th30th
Arabic to Roman
brainfuck
18th
Christmas Trees
8th
Cubes
13th
Diamonds
6th
Divisors
50th2nd
Emirp Numbers
23rd
Evil Numbers
34th22nd
Fibonacci
35th69th
Fizz Buzz
28th55th
Happy Numbers
17th15th
Leap Years
50th25th
Morse Encoder
4th
Niven Numbers
30th21st
Odious Numbers
32nd21st
Ordinal Numbers
17th
Pangram Grep
24th
Pascal’s Triangle
9th10th
Pernicious Numbers
28th25th
Prime Numbers
40th16th
Quine
81st
Roman to Arabic
8th8th
Rule 110
8th
Seven Segment
7th3rd
Sierpiński Triangle
7th8th
Spelling Numbers
8th