12 Days of Christmas
175
99 Bottles of Beer
562
Abundant Numbers
379
Arabic to Roman
285
Arrows
135
Catalan Numbers
587
Collatz
613
CSS Colors
26
Diamonds
354
Divisors
720
Emirp Numbers
197
Evil Numbers
751
Evil Numbers (Long)
759
Fibonacci
420
Fizz Buzz
911
Foo Fizz Buzz Bar
673
Fractions
318
Happy Numbers
562
Leap Years
774
Odious Numbers
749
Odious Numbers (Long)
734