12 Days of Christmas
707
99 Bottles of Beer
501
Abundant Numbers
595
Abundant Numbers (Long)
611
Arithmetic Numbers
615
Christmas Trees
385
Collatz
616
Diamonds
494409
366
Divisors
624
Emirp Numbers
446
Emirp Numbers (Long)
476
Fibonacci
481
Fizz Buzz
638614
Foo Fizz Buzz Bar
506
Intersection
498
ISBN
495
Leap Years
680
855
Leyland Numbers
343
Niven Numbers
482
Niven Numbers (Long)
596
Odious Numbers
286
Odious Numbers (Long)
284
Ordinal Numbers
386
Prime Numbers
480
Prime Numbers (Long)
493
Sierpiński Triangle
94