12 Days of Christmas
704
99 Bottles of Beer
625
Abundant Numbers
704
brainfuck
432
Christmas Trees
411
CSS Colors
65
Cubes
423
Diamonds
413
Divisors
584
Emirp Numbers
479
Evil Numbers
497
Fibonacci
574768
Fizz Buzz
834
Happy Numbers
474
Leap Years
819
Niven Numbers
805
Odious Numbers
551
Pernicious Numbers
349
Prime Numbers
623
π
443