12 Days of Christmas
838
Abundant Numbers (Long)
836
Arithmetic Numbers
376
Arrows
362
Card Number Validation
767
CSS Colors
251
Divisors
766
Game of Life
459
Intersection
655
Inventory Sequence
839
Look and Say
866
Lucky Numbers
594
Odious Numbers
585
Smith Numbers
570
Sudoku
503
Tongue-twisters
509
Zodiac Signs
740
√2
836