12 Days of Christmas
175
99 Bottles of Beer
561
Abundant Numbers
382
Arabic to Roman
287
Arrows
135
Catalan Numbers
588
Collatz
613
CSS Colors
65
Diamonds
357
Divisors
721
Emirp Numbers
198
Evil Numbers
752
Evil Numbers (Long)
762
Fibonacci
420
Fizz Buzz
844
Foo Fizz Buzz Bar
630
Fractions
317
Happy Numbers
565
Leap Years
775
Odious Numbers
751
Odious Numbers (Long)
736