12 Days of Christmas
15th
19th
99 Bottles of Beer
30th
19th
Abundant Numbers
15th
30th
Arabic to Roman
brainfuck
17th
Christmas Trees
8th
Cubes
13th
Diamonds
6th
Divisors
48th
2nd
Emirp Numbers
23rd
Evil Numbers
34th
22nd
Fibonacci
35th
67th
Fizz Buzz
28th
55th
Happy Numbers
16th
15th
Leap Years
50th
25th
Morse Encoder
4th
Niven Numbers
30th
21st
Odious Numbers
32nd
21st
Ordinal Numbers
16th
Pangram Grep
24th
Pascal’s Triangle
9th
10th
Pernicious Numbers
28th
25th
Prime Numbers
40th
16th
Quine
81st
Roman to Arabic
8th
8th
Rule 110
7th
Seven Segment
7th
3rd
Sierpiński Triangle
7th
8th
Spelling Numbers
8th