12 Days of Christmas
336
99 Bottles of Beer
397
Abundant Numbers
395
Arithmetic Numbers
585
Arrows
328
Christmas Trees
356
Collatz
698
CSS Colors
117
Divisors
844
Fibonacci
444
Fizz Buzz
703
537
689
ISBN
530
551
Leap Years
580
Maze
165
Niven Numbers
713626633583720328293547
719420531
Niven Numbers (Long)
803693673666823447326625
786527645
Pangram Grep
434
Pernicious Numbers
359
Prime Numbers
432
872
Quine
615875
Rijndael S-box
145
Seven Segment
305
SierpiΕski Triangle
420
Tongue-twisters
502
571
723397428
United States
183
Ο
287
β2
704