12 Days of Christmas
14th7th
99 Bottles of Beer
27th
Abundant Numbers
41st
brainfuck
3rd
Christmas Trees
22nd
Cubes
17th
Divisors
22nd53rd
Emirp Numbers
11th
Emojify
12th
Evil Numbers
19th38th
Fibonacci
101st17th43rd
Fizz Buzz
35th100th
Leap Years
24th
Leyland Numbers
9th
Niven Numbers
32nd
Odious Numbers
19th36th
Pernicious Numbers
45th
Prime Numbers
33rd41st
Rule 110
11th
Spelling Numbers
7th
Sudoku
4th
π
48th