12 Days of Christmas
692
99 Bottles of Beer
554614665
Abundant Numbers
531
Christmas Trees
689
CSS Colors
170
Cubes
520
Divisors
517
Emirp Numbers
346
Evil Numbers
545
Fibonacci
454
Fizz Buzz
727
Fractions
313
Happy Numbers
483
Happy Numbers (Long)
432
Leap Years
497
Morse Decoder
299
Morse Encoder
313
Niven Numbers
613
Odious Numbers
543
Ordinal Numbers
515
Pangram Grep
488
Pascal’s Triangle
603
Pernicious Numbers
243
Prime Numbers
509
Seven Segment
277
Tongue-twisters
485
United States
158
π
211