A099558 - OEIS

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A099558

Antidiagonal sums of the triangle A099557.

1, 1, 2, 3, 4, 6, 9, 14, 22, 34, 52, 79, 120, 183, 280, 429, 657, 1005, 1536, 2347, 3587, 5484, 8386, 12824, 19609, 29981, 45837, 70079, 107145, 163820, 250476, 382969, 585541, 895258, 1368795, 2092808, 3199790, 4892313, 7480094, 11436670 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	FORMULA	`G.f.: (1-x+x^2)/((1-x)^2-x^5).`
	PROG	`(PARI) a(n)=polcoeff((1-x+x^2)/((1-x)^2-x^5)+x*O(x^n), n)`
	CROSSREFS	`Cf. A099557.` `Sequence in context: A143951 A058355 A179041 * A018140 A005579 A000381` `Adjacent sequences: A099555 A099556 A099557 * A099559 A099560 A099561`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Oct 22 2004`

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Last modified February 17 13:24 EST 2012. Contains 206031 sequences.