12 Days of Christmas
16th
Abundant Numbers
68th
brainfuck
29th
Christmas Trees
24th
Diamonds
18th
Divisors
77th
Emirp Numbers
42nd
Evil Numbers
77th
Fizz Buzz
119th
Leap Years
94th
Odious Numbers
65th
Ordinal Numbers
30th
Pernicious Numbers
49th
Prime Numbers
60th
Quine
24th
Rock-paper-scissors-Spock-lizard
17th
Rule 110
23rd
Sierpiński Triangle
24th