12 Days of Christmas
106th
Abundant Numbers
186th
Catalan’s Constant
45th
Collatz
207th
Diamonds
70th
Divisors
259th
Emirp Numbers
86th
Evil Numbers
251st
Evil Numbers (Long)
129th
Fibonacci
399th
Fizz Buzz
437th
Happy Numbers
107th
Hexdump
40th
Intersection
54th
Leap Years
251st
Lucky Numbers
39th
Morse Decoder
17th
Morse Encoder
26th
Number Spiral
56th
Odious Numbers
183rd
Odious Numbers (Long)
109th
Pernicious Numbers (Long)
57th
Prime Numbers
293rd
Recamán
70th
Reverse Polish Notation
46th
Smith Numbers
41st