A080127 Number of primes less than n*10^18.

24739954287740860, 48645161281738535, 72254704797687083, 95676260903887607, 118959989688273472, 142135049412622144, 165220513980969424, 188229829247429504, 211172979243258278

Offset: 1

Author

Robert G. Wilson v and Jeff Burch, Jan 29 2003

Keywords

• nonn

Links

• Robert G. Wilson v, Table of n, a(n) for n = 1..100
• Thomas R. Nicely, Some Results of Computational Research in Prime Numbers [See local copy in A007053]

Crossrefs

Cf. A038801, A028505, A038812, A038813, A038814, A038815, A038816, A038817, A038818, A038819, A038820, A038821, A080122, A080123, A080124, A080125, A080126, A080128, A080129.

Programs

PARI

a(n)=primepi(10^18*n) \\ Charles R Greathouse IV, Apr 29 2015