12 Days of Christmas
332
99 Bottles of Beer
396600381
Abundant Numbers
513
Christmas Trees
604
CSS Colors
75
Cubes
383
Divisors
502
Emirp Numbers
286
Evil Numbers
546
Fibonacci
456
Fizz Buzz
666
Fractions
267
Happy Numbers
377
Happy Numbers (Long)
369
Leap Years
498
Morse Decoder
209
Morse Encoder
222
Niven Numbers
617
Odious Numbers
544
Ordinal Numbers
420
Pangram Grep
416
Pascal’s Triangle
561
Pernicious Numbers
245
Prime Numbers
510
Seven Segment
209
Tongue-twisters
276
United States
118
π
189