12 Days of Christmas
17th21st
99 Bottles of Beer
33rd20th
Abundant Numbers
17th31st
Arabic to Roman
6th
brainfuck
20th
Christmas Trees
10th
Cubes
15th
Diamonds
7th
Divisors
55th5th
Emirp Numbers
27th
Evil Numbers
40th23rd
Fibonacci
43rd72nd
Fizz Buzz
30th56th
Happy Numbers
25th19th
Leap Years
53rd27th
Morse Encoder
5th
Niven Numbers
35th23rd
Odious Numbers
38th22nd
Ordinal Numbers
21st
Pangram Grep
30th
Pascal’s Triangle
12th11th
Pernicious Numbers
32nd27th
Prime Numbers
42nd17th
Quine
90th
Roman to Arabic
10th8th
Rule 110
11th
Seven Segment
8th3rd
Sierpiński Triangle
8th8th
Spelling Numbers
8th