12 Days of Christmas
18th
ASCII Table
27th
12th
Fizz Buzz
69th
Foo Fizz Buzz Bar
346th
Happy Numbers
30th
624th
Leap Years
104th1,058th
ln 2
13th
Niven Numbers
38th82nd
742nd
Number Spiral
26th
10th
12th
Prime Numbers
57th96th
1,035th
Quine
80th
781st
Recamán
12th
Smith Numbers
7th
Tongue-twisters
24th
π
486th