12 Days of Christmas
430
Abundant Numbers
566
Catalan’s Constant
123
Collatz
629
Diamonds
385
Divisors
638
Emirp Numbers
375
Evil Numbers
410
Evil Numbers (Long)
398
Fibonacci
674
Fizz Buzz
678
Happy Numbers
341
Hexdump
450
Intersection
588
Leap Years
688
Lucky Numbers
274
Morse Decoder
90
Morse Encoder
212
Number Spiral
286
Odious Numbers
446
Odious Numbers (Long)
418
Pernicious Numbers (Long)
334
Prime Numbers
368
Recamán
463
Reverse Polish Notation
335
Smith Numbers
130