12 Days of Christmas
72nd
99 Bottles of Beer
31st
Abundant Numbers
317th
Arabic to Roman
138th
brainfuck
285th
Christmas Trees
278th
CSS Colors
243rd
Diamonds
263rd
Divisors
961st
Emirp Numbers
395th
Evil Numbers
499th
Fibonacci
187th
Fizz Buzz
1,512th
Happy Numbers
336th
Leap Years
324th
Look and Say
131st
Niven Numbers
291st
Odious Numbers
303rd
Ordinal Numbers
Pangram Grep
174th
Pascal’s Triangle
486th
Pernicious Numbers
280th
Prime Numbers
808th
Quine
774th
Roman to Arabic
231st
Rule 110
178th
Seven Segment
57th
Tongue-twisters
65th
United States
Vampire Numbers
156th