Difference between the smallest 10^n-digit Sophie Germain prime and 10^(10^n - 1).

A226747

Difference between the smallest 10^n-digit Sophie Germain prime and 10^(10^n - 1).

Terms

    a(0) =1a(1) =289a(2) =44239a(3) =2222239a(4) =114862711

External references