12 Days of Christmas
104
99 Bottles of Beer
489
Abundant Numbers
360
Arabic to Roman
306
Arrows
134
Catalan Numbers
642
Collatz
646
CSS Colors
28
Diamonds
378
Divisors
755
Emirp Numbers
142
Evil Numbers
779
Evil Numbers (Long)
800
Fibonacci
436
Fizz Buzz
860
Foo Fizz Buzz Bar
653
Fractions
345
Happy Numbers
438
Leap Years
781
Odious Numbers
768
Odious Numbers (Long)
789