12 Days of Christmas
99th
Abundant Numbers
176th
Catalan’s Constant
42nd
Collatz
196th
Diamonds
67th
Divisors
247th
Emirp Numbers
79th
Evil Numbers
242nd
Evil Numbers (Long)
120th
Fibonacci
383rd
Fizz Buzz
420th
Happy Numbers
100th
Hexdump
37th
Intersection
44th
Leap Years
231st
Lucky Numbers
35th
Morse Decoder
16th
Morse Encoder
23rd
Number Spiral
50th
Odious Numbers
175th
Odious Numbers (Long)
102nd
Pernicious Numbers (Long)
51st
Prime Numbers
279th
Recamán
62nd
Reverse Polish Notation
45th
Smith Numbers
37th