12 Days of Christmas
730
99 Bottles of Beer
694
Abundant Numbers
411
Arithmetic Numbers
674
Arrows
355
Christmas Trees
409
Collatz
831
CSS Colors
266
Divisors
890
Fibonacci
443
Fizz Buzz
707
588
691
ISBN
532
705
Leap Years
580
Maze
222
Niven Numbers
741
632
635
586
788
332
297
551
721
493
533
Niven Numbers (Long)
818
755
697
668
829
450
329
628
787
531
646
Pangram Grep
511
Pernicious Numbers
359
Prime Numbers
447
871
Quine
615
874
Rijndael S-box
202
Seven Segment
418
SierpiΕski Triangle
451
Tongue-twisters
758
791
753
673
769
United States
266
Ο
321
β2
707