12 Days of Christmas
338
99 Bottles of Beer
400
Abundant Numbers
402
Arithmetic Numbers
590
Arrows
336
Christmas Trees
362
Collatz
713
CSS Colors
122
Divisors
857
Fibonacci
459
Fizz Buzz
718
541
712
ISBN
556
568
Leap Years
589
Maze
171
Niven Numbers
753
681
678
600
756
352
304
575
733
433
565
Niven Numbers (Long)
861
757
734
694
872
488
340
667
806
551
700
Pangram Grep
445
Pernicious Numbers
367
Prime Numbers
458
889
Quine
615
905
Rijndael S-box
148
Seven Segment
313
SierpiΕski Triangle
429
Tongue-twisters
511
607
771
405
436
United States
194
Ο
293
β2
721