12 Days of Christmas
77th
99 Bottles of Beer
50th
Abundant Numbers
52nd
Abundant Numbers (Long)
43rd
Arabic to Roman
230th
Arithmetic Numbers
34th
Arrows
18th
Ascending Primes
17th
ASCII Table
30th
Collatz
49th
Divisors
44th
Evil Numbers
38th
Evil Numbers (Long)
31st
Fibonacci
91st563rd
Fizz Buzz
78th
54th
Foo Fizz Buzz Bar
39th
Fractions
39th
ISBN
37th
Leap Years
62nd
Niven Numbers
57th
Niven Numbers (Long)
30th
Odious Numbers
36th
Odious Numbers (Long)
31st
Ordinal Numbers
19th
PalindromemordnilaP
163rd
Quine
32nd
63rd
Recamán
37th