A064661 - OEIS

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A064661

n - floor( prime(n)/log(prime(n)) ).

-1, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 4, 5, 5, 6, 6, 7, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 8, 7, 8, 8, 9, 8, 7, 8, 8, 9, 9, 10, 9, 9, 9, 9, 10, 10, 11, 11, 11, 10, 10, 11, 11, 10, 11, 10, 11, 11, 11, 11, 12, 12, 12, 12, 12, 13, 12, 12 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,8`
	LINKS	`Harry J. Smith, Table of n, a(n) for n=1,...,1000`
	PROG	`(PARI) { for (n=1, 1000, write("b064661.txt", n, " ", n - prime(n)\log(prime(n))) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Sep 21 2009]`
	CROSSREFS	`Cf. A064659-A064663.` `Sequence in context: A004052 A051742 A134119 * A131996 A090618 A186444` `Adjacent sequences: A064658 A064659 A064660 * A064662 A064663 A064664`
	KEYWORD	`sign`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Oct 10 2001`

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Last modified February 15 14:31 EST 2012. Contains 205815 sequences.