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
753681421600756352304575
733433565
Niven Numbers (Long)
861757487694872488340667
806551700
Pangram Grep
445
Pernicious Numbers
367
Prime Numbers
293
889
Quine
615905
Rijndael S-box
145
Seven Segment
309
Sierpiński Triangle
429
Tongue-twisters
511
607
768397431
United States
182
π
293
√2
721