12 Days of Christmas
175
99 Bottles of Beer
562
Abundant Numbers
382
Arabic to Roman
286
Arrows
135
Catalan Numbers
587
Collatz
612
CSS Colors
26
Diamonds
356
Divisors
720
Emirp Numbers
198
Evil Numbers
751
Evil Numbers (Long)
761
Fibonacci
420
Fizz Buzz
911
Foo Fizz Buzz Bar
673
Fractions
316
Happy Numbers
564
Leap Years
774
Odious Numbers
750
Odious Numbers (Long)
735