12 Days of Christmas
752
Abundant Numbers
601
Catalan’s Constant
122
Collatz
637
Diamonds
358
Divisors
632
Emirp Numbers
468
Evil Numbers
401
Evil Numbers (Long)
397
Fibonacci
687
Fizz Buzz
677
Happy Numbers
459
Hexdump
444
Intersection
541
Leap Years
686
Lucky Numbers
274
Morse Decoder
89
Morse Encoder
191
Number Spiral
267
Odious Numbers
435
Odious Numbers (Long)
416
Pernicious Numbers (Long)
335
Prime Numbers
375
Recamán
464
Reverse Polish Notation
337
Smith Numbers
130