12 Days of Christmas
388
99 Bottles of Beer
372
Abundant Numbers
554
Abundant Numbers (Long)
597
Arithmetic Numbers
605
Christmas Trees
382
Collatz
604
Diamonds
491405
363
Divisors
624
Emirp Numbers
355
Emirp Numbers (Long)
470
Fibonacci
471
Fizz Buzz
635618
Foo Fizz Buzz Bar
510
Intersection
494
ISBN
492
Leap Years
678
854
Leyland Numbers
342
Niven Numbers
479
Niven Numbers (Long)
593
Odious Numbers
285
Odious Numbers (Long)
283
Ordinal Numbers
348
Prime Numbers
470
Prime Numbers (Long)
483
Sierpiński Triangle
125