12 Days of Christmas
456
Abundant Numbers
576
670
Abundant Numbers (Long)
630
716
Arabic to Roman
349
Arithmetic Numbers
658
742
Billiards
615
Christmas Trees
637
Collatz
696
824
695
Continued Fractions
498
597
Cubes
368
Diamonds
508
Divisors
667
760
Evil Numbers
636
Evil Numbers (Long)
527
642
Fibonacci
726944872582800878
Fizz Buzz
541
631
Fractions
738
Happy Numbers
446
Inventory Sequence
565
Leap Years
800726
809
763782
N Queens
273
Niven Numbers
598
723
Niven Numbers (Long)
590
686
Number Spiral
444
Odious Numbers
539
648
Odious Numbers (Long)
670
Ordinal Numbers
453
275
Pangram Grep
280
Pascal’s Triangle
581
Pernicious Numbers
394
Prime Numbers
554
648
Prime Numbers (Long)
644
Quine
454
Roman to Arabic
282
ROT13
383
Seven Segment
349
Sierpiński Triangle
305
Smith Numbers
438
524
Tongue-twisters
366
389
Tower of Hanoi
516
592
Trinomial Triangle
320
419