Number of primes less than 10^n using the x-th root approximation formula 1/(x^(1/x) - 1/x - 1) where x = 10^n.

A103649

Number of primes less than 10^n using the x-th root approximation formula 1/(x^(1/x) - 1/x - 1) where x = 10^n.

Terms

    a(0) =6a(1) =26a(2) =168a(3) =1217a(4) =9511a(5) =78029a(6) =661458a(7) =5740303a(8) =50701541a(9) =454011970a(10) =4110416300a(11) =37550193649a(12) =345618860220

External references