12 Days of Christmas
735
99 Bottles of Beer
698
Abundant Numbers
426
Arithmetic Numbers
695
Arrows
366
Christmas Trees
456
Collatz
850
CSS Colors
280
Divisors
905
Fibonacci
459
Fizz Buzz
718
592
712ISBN
556
744
Leap Years
589
Maze
234
Niven Numbers
779
681
678
600
822
352
304
575
733
507
565Niven Numbers (Long)
873
824
760
694
872
488
340
667
806
551
700Pangram Grep
526
Pernicious Numbers
367
Prime Numbers
476
889
Quine
615
905
Rijndael S-box
211
Seven Segment
429
SierpiΕski Triangle
453
Tongue-twisters
767
821
771
683
775
United States
256
Ο
328
β2
721