12 Days of Christmas
683
Abundant Numbers
595
688
Abundant Numbers (Long)
612
676
Arabic to Roman
344
Arithmetic Numbers
633
685
Billiards
571
Christmas Trees
596
Collatz
684
787
Continued Fractions
470
527
Cubes
353
Diamonds
482
Divisors
646
707
Evil Numbers
599
Evil Numbers (Long)
511
600
Fibonacci
723911850587785846
Fizz Buzz
532
614
Fractions
677
Happy Numbers
521
Inventory Sequence
520
Leap Years
754717
769
740757
Niven Numbers
577
670
Niven Numbers (Long)
560
657
Number Spiral
404
Odious Numbers
527
607
Odious Numbers (Long)
623
Ordinal Numbers
434
331
Pangram Grep
297
Pascal’s Triangle
537
Pernicious Numbers
368
Prime Numbers
543
636
Prime Numbers (Long)
603
Quine
442
Roman to Arabic
264
ROT13
345
Seven Segment
329
Sierpiński Triangle
291
Smith Numbers
415
483
Tongue-twisters
509
525
Tower of Hanoi
487
548
Trinomial Triangle
291
372