Numbers n such that one of floor(10^n * Pi) or ceiling(10^n * Pi) is prime.
A140515
Numbers n such that one of floor(10^n * Pi) or ceiling(10^n * Pi) is prime.
Terms
- a(0) =0a(1) =1a(2) =5a(3) =11a(4) =18a(5) =37a(6) =601a(7) =1901a(8) =2394a(9) =3970a(10) =5826a(11) =16207
External references
- oeis: A140515