12 Days of Christmas
727
99 Bottles of Beer
694
Abundant Numbers
412
Arithmetic Numbers
669
Arrows
352
Christmas Trees
410
Collatz
773
CSS Colors
265
Divisors
891
Fibonacci
444
Fizz Buzz
707
588
692
ISBN
534
707
Leap Years
581
Maze
224
Niven Numbers
743636401586790333297552
722494535
Niven Numbers (Long)
823762481670831452330630
789532652
Pangram Grep
512
Pernicious Numbers
359
Prime Numbers
295
872
Quine
615876
Rijndael S-box
203
Seven Segment
415
Sierpiński Triangle
437
Tongue-twisters
751
778
754674767
United States
242
π
321
√2
708