id:A165231 - OEIS Search Results

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a(0)=1, a(1)=8, a(n)=16*a(n-1)-8*a(n-2) for n>1 .

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1, 8, 120, 1856, 28736, 444928, 6888960, 106663936, 1651511296, 25570869248, 395921817600, 6130182127616, 94915539501056, 1469607174995968, 22754390483927040, 352313390342864896, 5454979121614422016 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`G.f.: (1-8x)/(1-16x+8x^2) .` `a(n)=(1/2){[8+2sqrt(14)]^n+[8-2*sqrt(14)]^n}, n>=0 [From Paolo P. Lava (ppl(AT)spl.at), Sep 16 2009]`
	CROSSREFS	`Sequence in context: A086302 A053129 A045899 this_sequence A004381 A166179 A130979` `Adjacent sequences: A165228 A165229 A165230 this_sequence A165232 A165233 A165234`
	KEYWORD	`nonn`
	AUTHOR	`Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Sep 09 2009`

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Last modified December 5 17:24 EST 2009. Contains 170342 sequences.

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