Number of primes of the form 8k+5 less than 10^n.

A091128

Number of primes of the form 8k+5 less than 10^n.

Terms

    a(0) =1a(1) =6a(2) =43a(3) =314a(4) =2399a(5) =19623a(6) =166204a(7) =1440534a(8) =12712271a(9) =113764516a(10) =1029517296a(11) =9401972490a(12) =86516425996a(13) =801235712049

External references