99 Bottles of Beer
Emirp Numbers
Fizz Buzz
Kolakoski Constant
Leap Years
Pernicious Numbers
Quine
Smith Numbers
Tongue-twisters
π
2,786th
2,039th
1,913th
1,937th
1,758th
2,480th
2,176th
2,565th
2,332nd
1,491st
1,370th
2,593rd
2,969th
2,540th
2,824th
1,909th
1,630th
1,297th
3,001st
2,007th
2,742nd
2,780th
2,342nd
2,850th
2,893rd
1,461st
1,210th
1,530th
1,782nd
1,586th
1,397th