12 Days of Christmas
710
99 Bottles of Beer
561631671
Abundant Numbers
543
Christmas Trees
705
CSS Colors
178
Cubes
533
Divisors
528
Emirp Numbers
354
Evil Numbers
556
Fibonacci
462
Fizz Buzz
734
Fractions
323
Happy Numbers
496
Happy Numbers (Long)
447
Leap Years
506
Morse Decoder
308
Morse Encoder
322
Niven Numbers
629
Odious Numbers
556
Ordinal Numbers
530
Pangram Grep
503
Pascal’s Triangle
621
Pernicious Numbers
250
Prime Numbers
519
Seven Segment
285
Tongue-twisters
488
United States
162
π
216