12 Days of Christmas
17th
Abundant Numbers
68th
brainfuck
29th
Christmas Trees
24th
Diamonds
19th
Divisors
81st
Emirp Numbers
43rd
Evil Numbers
81st
Fizz Buzz
121st
Leap Years
97th
Odious Numbers
65th
Ordinal Numbers
31st
Pernicious Numbers
53rd
Prime Numbers
64th
Quine
27th
Rock-paper-scissors-Spock-lizard
18th
Rule 110
23rd
Sierpiński Triangle
24th