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
444
Fizz Buzz
707
588
692
ISBN
533
705
Leap Years
580
Maze
222
Niven Numbers
741632635586788332297551
721493533
Niven Numbers (Long)
818755698668829450329628
787531646
Pangram Grep
511
Pernicious Numbers
359
Prime Numbers
447
872
Quine
615874
Rijndael S-box
202
Seven Segment
418
SierpiΕski Triangle
451
Tongue-twisters
758
791
753673769
United States
266
Ο
321
β2
707