12 Days of Christmas
96th
Abundant Numbers
169th
Catalan’s Constant
40th
Collatz
184th
Diamonds
63rd
Divisors
240th
Emirp Numbers
78th
Evil Numbers
232nd
Evil Numbers (Long)
114th
Fibonacci
366th
Fizz Buzz
409th
Happy Numbers
99th
Hexdump
36th
Intersection
43rd
Leap Years
222nd
Lucky Numbers
35th
Morse Decoder
15th
Morse Encoder
22nd
Number Spiral
48th
Odious Numbers
168th
Odious Numbers (Long)
96th
Pernicious Numbers (Long)
50th
Prime Numbers
268th
Recamán
60th
Reverse Polish Notation
44th
Smith Numbers
36th