id:A122219 - OEIS Search Results

Search: id:A122219

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Period 9: repeat 5, 4, 5, 4, 3, 4, 5, 4, 5.

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5, 4, 5, 4, 3, 4, 5, 4, 5, 5, 4, 5, 4, 3, 4, 5, 4, 5, 5, 4, 5, 4, 3, 4, 5, 4, 5, 5, 4, 5, 4, 3, 4, 5, 4, 5, 5, 4, 5, 4, 3, 4, 5, 4, 5, 5, 4, 5, 4, 3, 4, 5, 4, 5, 5, 4, 5, 4, 3, 4, 5, 4, 5, 5, 4, 5, 4, 3, 4, 5, 4, 5, 5, 4, 5, 4, 3, 4, 5, 4, 5, 5, 4, 5, 4, 3, 4, 5, 4, 5, 5, 4, 5, 4, 3, 4, 5, 4, 5, 5, 4, 5, 4, 3, 4 (list; graph; listen)

	OFFSET	`0,1`
	FORMULA	`O.g.f.: (1+x+x^2-x^3-x^4-x^5)/(3(x^6+x^3+1))-13/(3(x-1))+(1-x)/(3(x^2+x+1)).` `a(n)=(1/108){13(n mod 9)+[(n+1) mod 9]+25[(n+2) mod 9]+[(n+3) mod 9]+[(n+4) mod 9]+25[(n+5) mod 9]+25[(n+6) mod 9]+[(n+7) mod 9]+25*[(n+8) mod 9]}, with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Jul 03 2008`
	CROSSREFS	`Cf. A131291.` `Sequence in context: A160789 A131291 A131369 this_sequence A093348 A001050 A113784` `Adjacent sequences: A122216 A122217 A122218 this_sequence A122220 A122221 A122222`
	KEYWORD	`nonn`
	AUTHOR	`R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 27 2008, Apr 17 2008`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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