12 Days of Christmas
716
99 Bottles of Beer
634
Abundant Numbers
737
brainfuck
466
Christmas Trees
431
CSS Colors
70
Cubes
448
Diamonds
438
Divisors
612
Emirp Numbers
512
Evil Numbers
524
Fibonacci
590797
Fizz Buzz
851
Happy Numbers
503
Leap Years
855
Niven Numbers
845
Odious Numbers
585
Pernicious Numbers
372
Prime Numbers
660
π
472