A109265 - OEIS

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A109265

Row sums of Riordan array (1-x-x^2,x(1-x)).

1, 0, -2, -2, 0, 2, 2, 0, -2, -2, 0, 2, 2, 0, -2, -2, 0, 2, 2, 0, -2, -2, 0, 2, 2, 0, -2, -2, 0, 2, 2, 0, -2, -2, 0, 2, 2, 0, -2, -2, 0, 2, 2, 0, -2, -2, 0, 2, 2, 0, -2, -2, 0, 2, 2, 0, -2, -2, 0, 2, 2, 0, -2, -2, 0, 2, 2, 0, -2, -2, 0, 2, 2, 0, -2, -2, 0, 2, 2, 0, -2, -2, 0 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	FORMULA	`G.f.: (1-x-x^2)/(1-x+x^2)`
	CROSSREFS	`Cf. A109247.` `Sequence in context: A140666 A202145 A130772 * A184334 A035668 A066518` `Adjacent sequences: A109262 A109263 A109264 * A109266 A109267 A109268`
	KEYWORD	`easy,sign`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Jun 24 2005`

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Last modified February 15 17:43 EST 2012. Contains 205830 sequences.