id:A099558 - OEIS Search Results

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Antidiagonal sums of the triangle A099557.

+0
2

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; listen)

	OFFSET	`0,3`
	FORMULA	`G.f.: (1-x+x^2)/((1-x)^2-x^5).`
	PROGRAM	`(PARI) a(n)=polcoeff((1-x+x^2)/((1-x)^2-x^5)+x*O(x^n), n)`
	CROSSREFS	`Cf. A099557.` `Sequence in context: A005428 A143951 A058355 this_sequence A018140 A005579 A000381` `Adjacent sequences: A099555 A099556 A099557 this_sequence A099559 A099560 A099561`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Oct 22 2004`

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

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