id:A144479 - OEIS Search Results

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a(0)=1, a(1)=3, a(n)=8*a(n-1)-a(n-2).

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1, 3, 23, 181, 1425, 11219, 88327, 695397, 5474849, 43103395, 339352311, 2671715093, 21034368433, 165603232371, 1303791490535, 10264728691909, 80814038044737, 636247575665987, 5009166567283159, 39437084962599285 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`A105426 extended backwards.`
	LINKS	`Index entries for two-way infinite sequences`
	FORMULA	`G.f.: (1-5x)/(1-8x+x^2). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Mar 28 2009]` `G.f.: (1-5x)/(1-8x+x^2). a(n)=A001090(n+1)-5*A001090(n). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 29 2009]`
	CROSSREFS	`Sequence in context: A002398 A110065 A002816 this_sequence A074579 A060880 A093155` `Adjacent sequences: A144476 A144477 A144478 this_sequence A144480 A144481 A144482`
	KEYWORD	`nonn,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Mar 28 2009`
	EXTENSIONS	`More terms from Philippe DELEHAM (kolotoko(AT)wanadoo.fr) and R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 28 2009`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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