A106804 - OEIS

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A106804

G.f.: (2-9x-4x^2)*x / [(1-5x+x^2)*(1-5x-x^2)].

0, 2, 11, 56, 285, 1452, 7406, 37816, 193295, 989002, 5065051, 25963276, 133199780, 683904902, 3514119571, 18069536436, 92975574865, 478701242652, 2466137174466, 12711910214796, 65558648361175, 338267429484502 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,2`
	LINKS	`Table of n, a(n) for n=0..21.` `Index entries for linear recurrences with constant coefficients, signature (10,-25,0,1).`
	MATHEMATICA	`M = {{0, 0, 0, 1}, {1, 5, 0, 0}, {0, 1, 0, 0}, {0, 0, 1, 5}};` `v[1] = {0, 1, 1, 2}; v[n_] := v[n] = M.v[n - 1]; terms = 20; a = Table[v[n][[1]], {n, 1, terms}]` `LinearRecurrence[{10, -25, 0, 1}, {0, 2, 11, 56}, 30] (* Harvey P. Dale, Nov 29 2018 *)`
	CROSSREFS	`Sequence in context: A212388 A198769 A037554 * A213098 A041129 A037490` `Adjacent sequences: A106801 A106802 A106803 * A106805 A106806 A106807`
	KEYWORD	`nonn`
	AUTHOR	`Roger L. Bagula, May 30 2005`
	EXTENSIONS	`Edited by the Associate Editors of the OEIS, Apr 09 2009` `Mathematica code fixed by Olivier Gérard, Dec 13 2011`
	STATUS	`approved`

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Last modified March 19 20:29 EDT 2019. Contains 321332 sequences. (Running on oeis4.)