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A064659 a(n) = round(prime(n) - n*log(n)). 7
2, 2, 2, 1, 3, 2, 3, 2, 3, 6, 5, 7, 8, 6, 6, 9, 11, 9, 11, 11, 9, 11, 11, 13, 17, 16, 14, 14, 11, 11, 21, 20, 22, 19, 25, 22, 23, 25, 24, 25, 27, 24, 29, 26, 26, 23, 30, 37, 36, 33, 32, 34, 31, 36, 37, 38, 39, 35, 36, 35, 32, 37, 46, 45, 42, 40, 49, 50, 55 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harry J. Smith, Table of n, a(n) for n = 1..1000

FORMULA

a(n) ~ n*log(log(n)) * (1 + 1/log(n) - 1/log(log(n)) - 2/(log(n)*log(log(n)))). - Vaclav Kotesovec, May 23 2020

PROG

(PARI) { default(realprecision, 100); for (n = 1, 1000, write("b064659.txt", n, " ", round(prime(n) - n*log(n))); ) } \\ Harry J. Smith, Jun 25 2009

CROSSREFS

Cf. A064658, A059111.

Sequence in context: A294884 A275024 A325121 * A325034 A275853 A324100

Adjacent sequences:  A064656 A064657 A064658 * A064660 A064661 A064662

KEYWORD

nonn,changed

AUTHOR

N. J. A. Sloane, Oct 10 2001

STATUS

approved

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Last modified May 26 17:16 EDT 2020. Contains 334630 sequences. (Running on oeis4.)