12 Days of Christmas
440
Abundant Numbers
588
Catalan’s Constant
134
Collatz
653
Diamonds
407
Divisors
659
Emirp Numbers
394
Evil Numbers
427
Evil Numbers (Long)
420
Fibonacci
692
Fizz Buzz
692
Happy Numbers
357
Hexdump
486
Intersection
639
Leap Years
711
Lucky Numbers
294
Morse Decoder
97
Morse Encoder
228
Number Spiral
307
Odious Numbers
467
Odious Numbers (Long)
443
Pernicious Numbers (Long)
354
Prime Numbers
383
Recamán
489
Reverse Polish Notation
373
Smith Numbers
139