12 Days of Christmas
403
99 Bottles of Beer
379
Abundant Numbers
554
Abundant Numbers (Long)
598
Arithmetic Numbers
606
Christmas Trees
383
Collatz
604
Diamonds
491406
363
Divisors
624
Emirp Numbers
355
Emirp Numbers (Long)
471
Fibonacci
471
Fizz Buzz
636618
Foo Fizz Buzz Bar
501
Intersection
494
ISBN
493
Leap Years
679
854
Leyland Numbers
342
Niven Numbers
480
Niven Numbers (Long)
594
Odious Numbers
286
Odious Numbers (Long)
284
Ordinal Numbers
348
Prime Numbers
471
Prime Numbers (Long)
483
Sierpiński Triangle
125