12 Days of Christmas
706
99 Bottles of Beer
556620667
Abundant Numbers
531
Christmas Trees
689
CSS Colors
171
Cubes
524
Divisors
527
Emirp Numbers
346
Evil Numbers
545
Fibonacci
454
Fizz Buzz
727
Fractions
314
Happy Numbers
483
Happy Numbers (Long)
431
Leap Years
497
Morse Decoder
300
Morse Encoder
314
Niven Numbers
613
Odious Numbers
542
Ordinal Numbers
515
Pangram Grep
487
Pascal’s Triangle
603
Pernicious Numbers
243
Prime Numbers
509
Seven Segment
282
Tongue-twisters
494
United States
158
π
211