12 Days of Christmas
87th
Abundant Numbers
156th
Catalan’s Constant
38th
Collatz
166th
Diamonds
59th
Divisors
224th
Emirp Numbers
72nd
Evil Numbers
216th
Evil Numbers (Long)
103rd
Fibonacci
337th
Fizz Buzz
382nd
Happy Numbers
95th
Hexdump
32nd
Intersection
41st
Leap Years
210th
Lucky Numbers
32nd
Morse Decoder
16th
Morse Encoder
20th
Number Spiral
46th
Odious Numbers
155th
Odious Numbers (Long)
84th
Pernicious Numbers (Long)
43rd
Prime Numbers
254th
Recamán
52nd
Reverse Polish Notation
39th
Smith Numbers
33rd