12 Days of Christmas
19th
ASCII Table
30th
15th
Fizz Buzz
70th
Foo Fizz Buzz Bar
335th
Happy Numbers
30th
632nd
Leap Years
104th1,072nd
ln 2
14th
Niven Numbers
39th85th
749th
Number Spiral
27th
12th
13th
Prime Numbers
58th99th
1,052nd
Quine
81st
805th
Recamán
12th
Smith Numbers
8th
Tongue-twisters
27th
π
494th