12 Days of Christmas
331
99 Bottles of Beer
397
Abundant Numbers
393
Arithmetic Numbers
572
Arrows
326
Christmas Trees
355
Collatz
696
CSS Colors
117
Divisors
824
Fibonacci
441
Fizz Buzz
699
536
688
ISBN
527
549
Leap Years
579
Maze
164
Niven Numbers
707616394578703323284538
716412526
Niven Numbers (Long)
795678448657798439312610
780514639
Pangram Grep
431
Pernicious Numbers
357
Prime Numbers
278
871
Quine
607870
Rijndael S-box
141
Seven Segment
300
Sierpiński Triangle
416
Tongue-twisters
502
572
723390428
United States
179
π
286
√2
700