12 Days of Christmas
17th
ASCII Table
26th
11th
Fizz Buzz
65th
Foo Fizz Buzz Bar
318th
Happy Numbers
28th
583rd
Leap Years
103rd999th
ln 2
13th
Niven Numbers
35th71st
697th
Number Spiral
25th
10th
11th
Prime Numbers
54th88th
985th
Quine
79th
741st
RecamΓ‘n
12th
Smith Numbers
7th
Tongue-twisters
24th
Ο
447th