12 Days of Christmas
748
Abundant Numbers
589
681
Abundant Numbers (Long)
602
668
Arabic to Roman
327
Arithmetic Numbers
624
688
Billiards
536
Christmas Trees
589
Collatz
678
781
750
Continued Fractions
459
519
Cubes
347
Diamonds
469
Divisors
639
712
Evil Numbers
598
Evil Numbers (Long)
508
597
Fibonacci
720907835579743864
Fizz Buzz
529
610
Fractions
677
Happy Numbers
515
Inventory Sequence
514
Leap Years
744714
765
701769
N Queens
348
Niven Numbers
567
674
Niven Numbers (Long)
549
647
Number Spiral
402
Odious Numbers
513
604
Odious Numbers (Long)
619
Ordinal Numbers
430
329
Pangram Grep
292
Pascal’s Triangle
533
Pernicious Numbers
367
Prime Numbers
542
635
Prime Numbers (Long)
601
Quine
441
Roman to Arabic
260
ROT13
343
Seven Segment
324
Sierpiński Triangle
286
Smith Numbers
413
480
Tongue-twisters
509
525
Tower of Hanoi
482
543
Trinomial Triangle
287
366