Number of Sophie Germain primes less than 10^n.
A092816
Number of Sophie Germain primes less than 10^n.
Terms
- a(0) =3a(1) =10a(2) =37a(3) =190a(4) =1171a(5) =7746a(6) =56032a(7) =423140a(8) =3308859a(9) =26569515a(10) =218116524a(11) =1822848478a(12) =15462601989a(13) =132822315652
External references
- oeis: A092816