Abundant Numbers
595
686
Abundant Numbers (Long)
611
668
Arabic to Roman
344
Arithmetic Numbers
631
683
Billiards
567
Christmas Trees
596
Collatz
683
785
Cubes
352
Diamonds
480
Divisors
645
688
Evil Numbers
615
Evil Numbers (Long)
599
Fibonacci
722911850784807
Fizz Buzz
532
614
Fractions
656
Happy Numbers
520
Inventory Sequence
520
Leap Years
768717
799783757
Niven Numbers
577
669
Niven Numbers (Long)
568
651
Number Spiral
403
Odious Numbers
537
614
Odious Numbers (Long)
622
Pascal’s Triangle
536
Pernicious Numbers
367
Prime Numbers
635
Prime Numbers (Long)
594
Quine
439
Roman to Arabic
264
ROT13
335
Seven Segment
328
Sierpiński Triangle
286
Smith Numbers
415
482
Tongue-twisters
509
525
Trinomial Triangle
289
376