12 Days of Christmas
727
99 Bottles of Beer
694
Abundant Numbers
412
Arithmetic Numbers
668
Arrows
356
Christmas Trees
410
Collatz
773
CSS Colors
265
Divisors
891
Fibonacci
444
Fizz Buzz
707
588
692
ISBN
534
706
Leap Years
581
Maze
224
Niven Numbers
742635400586789333297552
722494535
Niven Numbers (Long)
821759479670831451330630
789532649
Pangram Grep
512
Pernicious Numbers
359
Prime Numbers
295
872
Quine
615875
Rijndael S-box
203
Seven Segment
419
Sierpiński Triangle
437
Tongue-twisters
753
778
754673770
United States
242
π
321
√2
707