12 Days of Christmas
17th
ASCII Table
27th
12th
Fizz Buzz
68th
Foo Fizz Buzz Bar
315th
Happy Numbers
29th
611th
Leap Years
103rd1,045th
ln 2
13th
Niven Numbers
36th77th
722nd
Number Spiral
25th
10th
12th
Prime Numbers
56th92nd
1,020th
Quine
81st
774th
Recamán
12th
Smith Numbers
7th
Tongue-twisters
24th
π
469th