12 Days of Christmas
385
99 Bottles of Beer
368
Abundant Numbers
555
Abundant Numbers (Long)
599
Arithmetic Numbers
609
Christmas Trees
378
Collatz
606
Diamonds
493406
364
Divisors
625
Emirp Numbers
356
Emirp Numbers (Long)
471
Fibonacci
471
Fizz Buzz
636612
Foo Fizz Buzz Bar
502
Intersection
495
ISBN
484
Leap Years
667
834
Leyland Numbers
342
Niven Numbers
480
Niven Numbers (Long)
586
Odious Numbers
286
Odious Numbers (Long)
284
Ordinal Numbers
349
Prime Numbers
471
Prime Numbers (Long)
485
Sierpiński Triangle
126