12 Days of Christmas
26th
ASCII Table
33rd
19th
Fizz Buzz
77th
Foo Fizz Buzz Bar
390th
Happy Numbers
34th
656th
Leap Years
109th1,110th
ln 2
19th
Niven Numbers
40th91st
784th
Number Spiral
27th
16th
14th
Prime Numbers
61st106th
1,090th
Quine
85th
838th
Recamán
15th
Smith Numbers
8th
Tongue-twisters
27th
π
525th