12 Days of Christmas
721
99 Bottles of Beer
559620667
Abundant Numbers
534
Christmas Trees
693
CSS Colors
171
Cubes
536
Divisors
529
Emirp Numbers
353
Evil Numbers
546
Fibonacci
455
Fizz Buzz
729
Fractions
313
Happy Numbers
486
Happy Numbers (Long)
435
Leap Years
499
Morse Decoder
302
Morse Encoder
319
Niven Numbers
619
Odious Numbers
544
Ordinal Numbers
523
Pangram Grep
490
Pascal’s Triangle
605
Pernicious Numbers
244
Prime Numbers
510
Seven Segment
289
Tongue-twisters
496
United States
159
π
211