12 Days of Christmas
19th
ASCII Table
29th
15th
Fizz Buzz
70th
Foo Fizz Buzz Bar
333rd
Happy Numbers
30th
632nd
Leap Years
104th1,070th
ln 2
14th
Niven Numbers
39th85th
749th
Number Spiral
27th
12th
13th
Prime Numbers
58th97th
1,051st
Quine
81st
801st
Recamán
12th
Smith Numbers
8th
Tongue-twisters
27th
π
492nd