12 Days of Christmas
575
Abundant Numbers
607
Christmas Trees
382
Divisors
818
Emirp Numbers
301
Evil Numbers
435
Fibonacci
775
Fizz Buzz
478577
Happy Numbers
249
Leap Years
617
Morse Decoder
216
Morse Encoder
280
Niven Numbers
451
Odious Numbers
436
Ordinal Numbers
506
Pangram Grep
476
Pascalβs Triangle
526
Pernicious Numbers
325
Prime Numbers
636
Seven Segment
335
Spelling Numbers
439