Number of primes between 10^n and 10^n+10^(n-1).

A131043

Number of primes between 10^n and 10^n+10^(n-1).

Terms

    a(0) =1a(1) =4a(2) =16a(3) =106a(4) =861a(5) =7216a(6) =61938a(7) =541854a(8) =4814936a(9) =43336106a(10) =394050419a(11) =3612791400a(12) =33353349498a(13) =309745405634

External references