12 Days of Christmas
79th
99 Bottles of Beer
52nd
Abundant Numbers
35th
Abundant Numbers (Long)
35th
Arabic to Roman
238th
Arithmetic Numbers
27th
Arrows
18th
Ascending Primes
17th
ASCII Table
30th
Christmas Trees
19th
Collatz
28th
Divisors
46th
Emirp Numbers
26th
Evil Numbers
38th
Evil Numbers (Long)
31st
Fibonacci
56th138th1st
Fizz Buzz
78th
54th
Foo Fizz Buzz Bar
30th
Fractions
39th
ISBN
37th
Leap Years
52nd
Niven Numbers
61st
Niven Numbers (Long)
30th
Odious Numbers
36th
Odious Numbers (Long)
31st
Ordinal Numbers
20th
PalindromemordnilaP
169th
Prime Numbers
46th
Prime Numbers (Long)
39th
Quine
32nd
67th
Recamán
38th