12 Days of Christmas
53rd
99 Bottles of Beer
24th
Abundant Numbers
261st
Arabic to Roman
111th
brainfuck
242nd
Christmas Trees
234th
CSS Colors
199th
Diamonds
219th
Divisors
869th
Emirp Numbers
342nd
Evil Numbers
421st
Fibonacci
147th
Fizz Buzz
1,367th
Happy Numbers
294th
Leap Years
281st
Look and Say
103rd
Niven Numbers
251st
Odious Numbers
243rd
Ordinal Numbers
Pangram Grep
144th
Pascalβs Triangle
422nd
Pernicious Numbers
231st
Prime Numbers
730th
Quine
687th
Roman to Arabic
198th
Rule 110
146th
Seven Segment
48th
Tongue-twisters
48th
United States
Vampire Numbers
125th