12 Days of Christmas
718
99 Bottles of Beer
510
Abundant Numbers
616
Abundant Numbers (Long)
640
Arithmetic Numbers
650
Christmas Trees
402
Collatz
637
Diamonds
537
429
379
Divisors
645
Emirp Numbers
470
Emirp Numbers (Long)
511
Fibonacci
495
Fizz Buzz
649
638
Foo Fizz Buzz Bar
536
Intersection
567
ISBN
463
Leap Years
701
872
Leyland Numbers
393
Niven Numbers
500
Niven Numbers (Long)
630
Odious Numbers
301
Odious Numbers (Long)
304
Ordinal Numbers
409
Prime Numbers
500
Prime Numbers (Long)
519
Sierpiński Triangle
98