12 Days of Christmas
17th
Abundant Numbers
69th
brainfuck
28th
Christmas Trees
25th
Diamonds
19th
Divisors
77th
Emirp Numbers
43rd
Evil Numbers
77th
Fizz Buzz
119th
Leap Years
94th
Odious Numbers
65th
Ordinal Numbers
29th
Pernicious Numbers
50th
Prime Numbers
60th
Quine
24th
Rock-paper-scissors-Spock-lizard
17th
Rule 110
23rd
Sierpiński Triangle
25th