Number of primes of the form 8k+7 less than 10^n.
A091129
Number of primes of the form 8k+7 less than 10^n.
Terms
- a(0) =1a(1) =6a(2) =43a(3) =308a(4) =2399a(5) =19669a(6) =166237a(7) =1440406a(8) =12711702a(9) =113766208a(10) =1029523130a(11) =9401993203a(12) =86516416092a(13) =801235499451
External references
- oeis: A091129