A113436 - OEIS

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A113436

First row of A113435.

1, 2, 7, 26, 98, 371, 1406, 5329, 20196, 76532, 289997, 1098826, 4163483, 15775426, 59772826, 226477879, 858118966, 3251390237, 12319431012, 46677994276, 176861668393, 670124115506, 2539082288671, 9620514646154, 36451871795186 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	FORMULA	`a(n) = 7a(n-1)-5a(n-2)+11a(n-3)-a(n-4)` `g.f.: (1-5x+8x^2-4x^3)/(1-7x+15x^2-11x^3+x^4)`
	CROSSREFS	`Cf. a(n)=A113435(3n).` `Sequence in context: A129273 A055988 A001075 * A126223 A114121 A049775` `Adjacent sequences: A113433 A113434 A113435 * A113437 A113438 A113439`
	KEYWORD	`nonn`
	AUTHOR	`Floor van Lamoen (fvlamoen(AT)hotmail.com), Nov 04 2005`

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Last modified February 14 08:58 EST 2012. Contains 205614 sequences.