A113438 - OEIS

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A113438

Third row of A113435.

1, 4, 16, 62, 237, 901, 3418, 12956, 49096, 186029, 704861, 2670692, 10119152, 38341126, 145273353, 550436561, 2085588866, 7902239404, 29941371656, 113447051497, 429847830217, 1628681887876, 6171031956688, 23381874459566 (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)` `Cf. g.f.: (1-3x+3x^2-x^3)/(1-7x+15x^2-11*x^3+x^4)%Y A113438 a(n)=A113435(3n+2).`
	CROSSREFS	`Sequence in context: A084859 A081666 A085781 * A195339 A172025 A171278` `Adjacent sequences: A113435 A113436 A113437 * A113439 A113440 A113441`
	KEYWORD	`nonn`
	AUTHOR	`Floor van Lamoen (fvlamoen(AT)hotmail.com), Nov 04 2005`

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Last modified February 15 21:56 EST 2012. Contains 205860 sequences.