Abundant Numbers
616
722
Abundant Numbers (Long)
640
707
Arabic to Roman
367
Arithmetic Numbers
667
731
Billiards
621
Christmas Trees
637
Collatz
707
824
Cubes
379
Diamonds
513
Divisors
667
726
Evil Numbers
654
Evil Numbers (Long)
642
Fibonacci
742944885840818
Fizz Buzz
541
638
Fractions
667
Happy Numbers
560
Inventory Sequence
565
Leap Years
818740
843850768
Niven Numbers
598
708
Niven Numbers (Long)
600
695
Number Spiral
444
Odious Numbers
562
657
Odious Numbers (Long)
670
Pascal’s Triangle
581
Pernicious Numbers
394
Prime Numbers
676
Prime Numbers (Long)
636
Quine
471
Roman to Arabic
287
ROT13
365
Seven Segment
351
Sierpiński Triangle
305
Smith Numbers
443
542
Tongue-twisters
519
539
Trinomial Triangle
320
473