12 Days of Christmas
19th
ASCII Table
32nd
16th
Fizz Buzz
70th
Foo Fizz Buzz Bar
341st
Happy Numbers
30th
638th
Leap Years
106th1,078th
ln 2
14th
Niven Numbers
40th86th
757th
Number Spiral
27th
13th
14th
Prime Numbers
59th99th
1,064th
Quine
84th
809th
Recamán
12th
Smith Numbers
8th
Tongue-twisters
27th
π
502nd