12 Days of Christmas
753
Abundant Numbers
607
Catalan’s Constant
124
Collatz
641
Diamonds
388
Divisors
638
Emirp Numbers
471
Evil Numbers
418
Evil Numbers (Long)
406
Fibonacci
688
Fizz Buzz
681
Happy Numbers
463
Hexdump
459
Intersection
593
Leap Years
688
Lucky Numbers
277
Morse Decoder
91
Morse Encoder
194
Number Spiral
286
Odious Numbers
446
Odious Numbers (Long)
426
Pernicious Numbers (Long)
340
Prime Numbers
375
Recamán
471
Reverse Polish Notation
338
Smith Numbers
132