12 Days of Christmas
124
99 Bottles of Beer
472
Abundant Numbers
343
Arabic to Roman
286
Arrows
125
Catalan Numbers
586
Collatz
609
CSS Colors
26
Diamonds
353
Divisors
720
Emirp Numbers
135
Evil Numbers
737
Evil Numbers (Long)
747
Fibonacci
420
Fizz Buzz
907
Foo Fizz Buzz Bar
667
Fractions
316
Happy Numbers
414
Leap Years
747
Odious Numbers
723
Odious Numbers (Long)
734