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A080129 Number of primes less than n*10^20. 20
2220819602560918840, 4374267703076959271, 6503696293016202398, 8617821096373621600, 10720710117789005897, 12814731195053369962, 14901434779964228982, 16981914723713251575, 19056983802675654255, 21127269486018731928 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

Thomas R. Nicely, Some Results of Computational Research in Prime Numbers

CROSSREFS

Cf. A038801, A028505, A038812, A038813, A038814, A038815, A038816, A038817, A038818, A038819.

Cf. A038820, A038821, A080122, A080123, A080124, A080125, A080126, A080127, A080128, A116356.

Sequence in context: A115529 A113740 A115539 * A104839 A003812 A003805

Adjacent sequences:  A080126 A080127 A080128 * A080130 A080131 A080132

KEYWORD

hard,nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com) and Jeff Burch (gburch(AT)erols.com), Jan 29 2003

EXTENSIONS

a(7)-a(10) from Robert G. Wilson v (rgwv(at)rgwv.com), Feb 04 2006

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Last modified February 14 06:44 EST 2012. Contains 205577 sequences.