12 Days of Christmas
13th
99 Bottles of Beer
9th
brainfuck
9th
Christmas Trees
12th
Diamonds
14th
Divisors
24th
Emirp Numbers
17th
Evil Numbers
38th
Fibonacci
65th
Fizz Buzz
67th
Happy Numbers
18th
Morse Encoder
9th
Niven Numbers
38th
Odious Numbers
38th
Pangram Grep
19th
Pascal’s Triangle
28th
Pernicious Numbers
41st
Prime Numbers
31st
Rule 110
12th
Sierpiński Triangle
13th
π
74th
τ
51st