Number of primes of the form 7k+6 less than 10^n.
A091125
Number of primes of the form 7k+6 less than 10^n.
Terms
- a(0) =0a(1) =4a(2) =27a(3) =200a(4) =1596a(5) =13090a(6) =110776a(7) =960640a(8) =8474742a(9) =75842786a(10) =686348604a(11) =6267986759a(12) =57677620740a(13) =534156999352
External references
- oeis: A091125