12 Days of Christmas
86th
Abundant Numbers
155th
Catalan’s Constant
38th
Collatz
163rd
Diamonds
59th
Divisors
223rd
Emirp Numbers
71st
Evil Numbers
211th
Evil Numbers (Long)
100th
Fibonacci
331st
Fizz Buzz
376th
Happy Numbers
92nd
Hexdump
32nd
Intersection
40th
Leap Years
205th
Lucky Numbers
31st
Morse Decoder
16th
Morse Encoder
20th
Number Spiral
46th
Odious Numbers
151st
Odious Numbers (Long)
82nd
Pernicious Numbers (Long)
42nd
Prime Numbers
249th
Recamán
51st
Reverse Polish Notation
38th
Smith Numbers
33rd