id:A081193 - OEIS Search Results

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a(n)=6a(n-1)-8a(n-2), a(0)=1, a(1)=9.

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1, 9, 46, 204, 856, 3504, 14176, 57024, 228736, 916224, 3667456, 14674944, 58710016, 234860544, 939483136, 3758014464, 15032221696, 60129214464, 240517513216, 962071363584, 3848288075776, 15393157545984, 61572640669696 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`G.f.: (1+3x)/((1-2x)(1-4x)). a(n)=74^n/2-52^n/2.`
	CROSSREFS	`Sequence in context: A035039 A001926 A085385 this_sequence A054140 A110675 A100790` `Adjacent sequences: A081190 A081191 A081192 this_sequence A081194 A081195 A081196`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Mar 11 2003`

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

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