Abundant Numbers
555
635
Abundant Numbers (Long)
599
688
Arabic to Roman
344
Arithmetic Numbers
623
683
Billiards
568
Christmas Trees
593
Collatz
671
783
Cubes
338
Diamonds
477
Divisors
645
706
Evil Numbers
598
Evil Numbers (Long)
600
Fibonacci
707911850553784807
Fizz Buzz
531
612
Fractions
656
Happy Numbers
415
Inventory Sequence
520
Leap Years
751716
798
782757
Niven Numbers
574
666
Niven Numbers (Long)
557
641
Number Spiral
403
Odious Numbers
526
606
Odious Numbers (Long)
622
Pascal’s Triangle
536
Pernicious Numbers
367
Prime Numbers
610
Prime Numbers (Long)
594
Quine
424
Roman to Arabic
258
ROT13
345
Seven Segment
322
Sierpiński Triangle
280
Smith Numbers
411
482
Tongue-twisters
354
373
Trinomial Triangle
290
376