12 Days of Christmas
704
99 Bottles of Beer
624
Abundant Numbers
697
brainfuck
434
Christmas Trees
406
CSS Colors
65
Cubes
423
Diamonds
407
Divisors
578
Emirp Numbers
476
Evil Numbers
496
Fibonacci
572765
Fizz Buzz
829
Happy Numbers
468
Leap Years
762
Niven Numbers
793
Odious Numbers
548
Pernicious Numbers
346
Prime Numbers
623
π
443