id:A084134 - OEIS Search Results

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a(n)=8a(n-1)-6a(n-2), a(0)=1,a(1)=4.

+0
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1, 4, 26, 184, 1316, 9424, 67496, 483424, 3462416, 24798784, 177615776, 1272133504, 9111373376, 65258185984, 467397247616, 3347628865024, 23976647434496, 171727406285824, 1229959365679616, 8809310487721984 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Binomial transform of A005667.`
	FORMULA	`a(n)=(4+sqrt(10))^n/2+(4-sqrt(10))^n/2; G.f.: (1-4x)/(1-8x+6x^2); E.g.f. : exp(4x)cosh(sqrt(10)x).`
	CROSSREFS	`Cf. A084135.` `Adjacent sequences: A084131 A084132 A084133 this_sequence A084135 A084136 A084137` `Sequence in context: A124544 A108082 A116429 this_sequence A098443 A052775 A137964`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), May 16 2003`

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Last modified October 15 09:18 EDT 2008. Contains 145015 sequences.

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