Number of primes <= product of first n primes, A002110(n).
A000849
Number of primes <= product of first n primes, A002110(n).
Terms
- a(0) =0a(1) =1a(2) =3a(3) =10a(4) =46a(5) =343a(6) =3248a(7) =42331a(8) =646029a(9) =12283531a(10) =300369796a(11) =8028643010a(12) =259488750744
External references
- oeis: A000849