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A080127 Number of primes less than n*10^18. 21
24739954287740860, 48645161281738535, 72254704797687083, 95676260903887607, 118959989688273472, 142135049412622144, 165220513980969424, 188229829247429504, 211172979243258278 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

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

PROG

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

CROSSREFS

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

Sequence in context: A083216 A180703 A145065 * A003941 A003934 A038362

Adjacent sequences:  A080124 A080125 A080126 * A080128 A080129 A080130

KEYWORD

nonn

AUTHOR

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

STATUS

approved

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Last modified December 2 23:29 EST 2016. Contains 278694 sequences.