id:A097813 - OEIS Search Results

Search: id:A097813

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3*2^n-2*n-2.

+0
2

1, 2, 6, 16, 38, 84, 178, 368, 750, 1516, 3050, 6120, 12262, 24548, 49122, 98272, 196574, 393180, 786394, 1572824, 3145686, 6291412, 12582866, 25165776, 50331598, 100663244, 201326538, 402653128, 805306310, 1610612676, 3221225410, 6442450880, 12884901822, 25769803708 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`G.f. : (1-2x+3x^2)/((1-x)^2(1-2x)); a(n)=2a(n-1)+2n-2, n>0, a(0)=1; a(n)=4a(n-1)-5a(n-2)+2a(n-3).`
	CROSSREFS	`Cf. A079583.` `Adjacent sequences: A097810 A097811 A097812 this_sequence A097814 A097815 A097816` `Sequence in context: A128232 A099099 A074082 this_sequence A093041 A046209 A078774`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Aug 25 2004`

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Last modified October 13 09:05 EDT 2008. Contains 145008 sequences.

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