12 Days of Christmas
14th
Abundant Numbers
51st
brainfuck
22nd
Christmas Trees
19th
Diamonds
15th
Divisors
62nd
Emirp Numbers
34th
Evil Numbers
64th
Fizz Buzz
103rd
Leap Years
76th
Odious Numbers
52nd
Ordinal Numbers
21st
Pernicious Numbers
37th
Prime Numbers
53rd
Quine
1st
Rock-paper-scissors-Spock-lizard
13th
Rule 110
17th
Sierpiński Triangle
21st