12 Days of Christmas
843
Abundant Numbers
682
Christmas Trees
384
Divisors
817
Emirp Numbers
534
Evil Numbers
482
Fibonacci
774
Fizz Buzz
524
581
Happy Numbers
408
Leap Years
618
Morse Decoder
219
Morse Encoder
288
Niven Numbers
465
Odious Numbers
482
Ordinal Numbers
Pangram Grep
476
Pascalβs Triangle
524
Pernicious Numbers
325
Prime Numbers
809
Seven Segment
349
Spelling Numbers
437