12 Days of Christmas
102nd
Abundant Numbers
182nd
Catalan’s Constant
45th
Collatz
204th
Diamonds
69th
Divisors
257th
Emirp Numbers
85th
Evil Numbers
249th
Evil Numbers (Long)
127th
Fibonacci
393rd
Fizz Buzz
431st
Happy Numbers
105th
Hexdump
40th
Intersection
54th
Leap Years
245th
Lucky Numbers
39th
Morse Decoder
17th
Morse Encoder
24th
Number Spiral
53rd
Odious Numbers
180th
Odious Numbers (Long)
107th
Pernicious Numbers (Long)
56th
Prime Numbers
291st
Recamán
67th
Reverse Polish Notation
46th
Smith Numbers
41st