12 Days of Christmas
322
99 Bottles of Beer
394601381
Abundant Numbers
510
Christmas Trees
601
CSS Colors
75
Cubes
366
Divisors
490
Emirp Numbers
285
Evil Numbers
545
Fibonacci
454
Fizz Buzz
664
Fractions
266
Happy Numbers
375
Happy Numbers (Long)
366
Leap Years
497
Morse Decoder
208
Morse Encoder
217
Niven Numbers
613
Odious Numbers
543
Ordinal Numbers
419
Pangram Grep
413
Pascal’s Triangle
559
Pernicious Numbers
243
Prime Numbers
509
Seven Segment
207
Tongue-twisters
275
United States
117
π
188