12 Days of Christmas
178
99 Bottles of Beer
571
Abundant Numbers
400
Arabic to Roman
306
Arrows
144
Catalan Numbers
642
Collatz
646
CSS Colors
28
Diamonds
378
Divisors
755
Emirp Numbers
212
Evil Numbers
794
Evil Numbers (Long)
814
Fibonacci
436
Fizz Buzz
860
Foo Fizz Buzz Bar
653
Fractions
345
Happy Numbers
600
Leap Years
808
Odious Numbers
797
Odious Numbers (Long)
789