id:A131531 - OEIS Search Results

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Period 6: repeat 0,0,1,0,0,-1.

+0
9

0, 0, 1, 0, 0, -1, 0, 0, 1, 0, 0, -1, 0, 0, 1, 0, 0, -1, 0, 0, 1, 0, 0, -1, 0, 0, 1, 0, 0, -1, 0, 0, 1, 0, 0, -1, 0, 0, 1, 0, 0, -1, 0, 0, 1, 0, 0, -1, 0, 0, 1, 0, 0, -1, 0, 0, 1, 0, 0, -1, 0, 0, 1, 0, 0, -1, 0, 0, 1, 0, 0, -1, 0, 0, 1, 0, 0, -1, 0, 0, 1, 0, 0, -1, 0, 0, 1, 0, 0, -1, 0, 0, 1, 0, 0, -1, 0, 0, 1, 0, 0, -1, 0, 0 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Also: partial sums of A092220 shifted by two indices. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 08 2008`
	FORMULA	`a(n)=(1/6)*{-(n mod 6)+[(n+1) mod 6]+[(n+3) mod 6]-[(n+4) mod 6]}, with n>=0. - Paolo P. Lava (ppl(AT)spl.at), Aug 28 2007` `G.f.: x^3/(x+1)/(x^2-x+1). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 14 2007`
	CROSSREFS	`Sequence in context: A080887 A099395 A022003 this_sequence A022926 A072785 A074937` `Adjacent sequences: A131528 A131529 A131530 this_sequence A131532 A131533 A131534`
	KEYWORD	`sign`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Aug 26 2007`
	EXTENSIONS	`Edited by njas, Sep 15 2007`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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