Abundant Numbers
595
685
Abundant Numbers (Long)
610
667
Arabic to Roman
344
Arithmetic Numbers
631
683
Billiards
542
Christmas Trees
595
Collatz
683
785
Cubes
352
Diamonds
480
Divisors
645
687
Evil Numbers
614
Evil Numbers (Long)
599
Fibonacci
722910849783807
Fizz Buzz
532
620
Fractions
611
Happy Numbers
520
Inventory Sequence
519
Leap Years
768717
798783757
Niven Numbers
576
669
Niven Numbers (Long)
568
651
Number Spiral
403
Odious Numbers
536
613
Odious Numbers (Long)
621
Pascal’s Triangle
536
Pernicious Numbers
367
Prime Numbers
635
Prime Numbers (Long)
594
Quine
439
Roman to Arabic
264
ROT13
326
Seven Segment
328
Sierpiński Triangle
285
Smith Numbers
415
498
Tongue-twisters
509
525
Trinomial Triangle
288
410