12 Days of Christmas
175
99 Bottles of Beer
562
Abundant Numbers
382
Arabic to Roman
286
Arrows
135
Catalan Numbers
588
Collatz
613
CSS Colors
26
Diamonds
356
Divisors
721
Emirp Numbers
198
Evil Numbers
752
Evil Numbers (Long)
761
Fibonacci
420
Fizz Buzz
844
Foo Fizz Buzz Bar
629
Fractions
317
Happy Numbers
564
Leap Years
774
Odious Numbers
750
Odious Numbers (Long)
735