12 Days of Christmas
715
99 Bottles of Beer
694
Abundant Numbers
409
Arithmetic Numbers
663
Arrows
351
Christmas Trees
407
Collatz
769
CSS Colors
265
Divisors
886
Fibonacci
440
Fizz Buzz
700
586
688
ISBN
527
702
Leap Years
579
Maze
224
Niven Numbers
731615394578763322284537
715481526
Niven Numbers (Long)
806737472657797439312610
780514639
Pangram Grep
509
Pernicious Numbers
357
Prime Numbers
295
871
Quine
606870
Rijndael S-box
203
Seven Segment
409
Sierpiński Triangle
433
Tongue-twisters
751
778
754674767
United States
241
π
320
√2
700