12 Days of Christmas
707
99 Bottles of Beer
501
Abundant Numbers
594
Abundant Numbers (Long)
609
Arithmetic Numbers
613
Christmas Trees
384
Collatz
615
Diamonds
494408
365
Divisors
624
Emirp Numbers
445
Emirp Numbers (Long)
475
Fibonacci
481
Fizz Buzz
637620
Foo Fizz Buzz Bar
515
Intersection
498
ISBN
494
Leap Years
679
855
Leyland Numbers
343
Niven Numbers
482
Niven Numbers (Long)
595
Odious Numbers
285
Odious Numbers (Long)
283
Ordinal Numbers
386
Prime Numbers
480
Prime Numbers (Long)
492
Sierpiński Triangle
94