id:A076479 - OEIS Search Results

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mu(sfk(n)), where mu is the Moebius-function (A008683) and sfk is the square-free kernel (A007947).

+0
2

1, -1, -1, -1, -1, 1, -1, -1, -1, 1, -1, 1, -1, 1, 1, -1, -1, 1, -1, 1, 1, 1, -1, 1, -1, 1, -1, 1, -1, -1, -1, -1, 1, 1, 1, 1, -1, 1, 1, 1, -1, -1, -1, 1, 1, 1, -1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, 1, 1, -1, 1, -1, -1, 1, 1, -1, -1, 1, -1, 1, 1, 1, 1, -1, -1, 1, -1, 1, -1, -1, 1, 1, 1 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(n)=A008683(A007947(n)).`
	FORMULA	`a(n) = (-1)^A001221(n). Multiplicative with a(p^e) = -1. - Vladeta Jovovic (vladeta(AT)Eunet.yu), Dec 03 2002`
	CROSSREFS	`Cf. A076480.` `Cf. A008836.` `Sequence in context: A097807 A014077 A098417 this_sequence A033999 A057077 A063747` `Adjacent sequences: A076476 A076477 A076478 this_sequence A076480 A076481 A076482`
	KEYWORD	`sign,mult`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Oct 14 2002`

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Last modified July 6 17:22 EDT 2008. Contains 140988 sequences.

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