12 Days of Christmas
407
99 Bottles of Beer
525
Abundant Numbers
628
brainfuck
431
Christmas Trees
406
CSS Colors
65
Cubes
409
Diamonds
407
Divisors
578
Emirp Numbers
322
Evil Numbers
487
Fibonacci
560765
Fizz Buzz
829
Happy Numbers
344
Leap Years
761
Niven Numbers
767
Odious Numbers
528
Pernicious Numbers
346
Prime Numbers
533
π
435