Number of primes p less than 10^n such that p^2-2 is prime.

A140454

Number of primes p less than 10^n such that p^2-2 is prime.

Terms

    a(0) =4a(1) =13a(2) =52a(3) =259a(4) =1595a(5) =10548a(6) =74914a(7) =563533a(8) =4387106

External references