id:A132798 - OEIS Search Results

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Period 6: repeat 0, 2, 1, 0, -2, -1.

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0, 2, 1, 0, -2, -1, 0, 2, 1, 0, -2, -1, 0, 2, 1, 0, -2, -1, 0, 2, 1, 0, -2, -1, 0, 2, 1, 0, -2, -1, 0, 2, 1, 0, -2, -1, 0, 2, 1, 0, -2, -1, 0, 2, 1, 0, -2, -1, 0, 2, 1, 0, -2, -1, 0, 2, 1, 0, -2, -1, 0, 2, 1, 0, -2, -1, 0, 2, 1, 0, -2, -1, 0, 2, 1, 0, -2, -1 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`O.g.f.: x(2+x)/((x+1)(x^2-x+1)) = (1/3)(4x+1)/(x^2-x+1)-(1/3)/(x+1) . R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 28 2007` `a(n)=(1/6){-(n mod 6)-[(n+1) mod 6]+2[(n+2) mod 6]+[(n+3) mod 6]+[(n+4) mod 6]-2*[(n+5) mod 6]} - Paolo P. Lava (ppl(AT)spl.at), Nov 30 2007`
	CROSSREFS	`Cf. A129339.` `Sequence in context: A137269 A112201 A112203 this_sequence A080425 A048141 A025664` `Adjacent sequences: A132795 A132796 A132797 this_sequence A132799 A132800 A132801`
	KEYWORD	`sign`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Nov 21 2007`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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