12 Days of Christmas
18th
ASCII Table
27th
12th
Fizz Buzz
69th
Foo Fizz Buzz Bar
318th
Happy Numbers
30th
617th
Leap Years
104th1,050th
ln 2
13th
Niven Numbers
37th81st
728th
Number Spiral
25th
10th
12th
Prime Numbers
57th95th
1,024th
Quine
80th
777th
Recamán
12th
Smith Numbers
7th
Tongue-twisters
24th
π
473rd