Number of Sophie Germain primes <= prime(10^n).
A049040
Number of Sophie Germain primes <= prime(10^n).
Terms
- a(0) =1a(1) =6a(2) =26a(3) =167a(4) =1222a(5) =9668a(6) =82237a(7) =711154a(8) =6284076a(9) =56325540a(10) =510628554a(11) =4672267109
External references
- oeis: A049040