Number of primes of the form 3k+2 less than 10^n.
A091116
Number of primes of the form 3k+2 less than 10^n.
Terms
- a(0) =2a(1) =13a(2) =87a(3) =617a(4) =4807a(5) =39266a(6) =332384a(7) =2880937a(8) =25424820a(9) =227529387a(10) =2059036144a(11) =18803978497a(12) =173032844825
External references
- oeis: A091116