id:A146005 - OEIS Search Results

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n*Lucas(n).

+0
2

0, 1, 6, 12, 28, 55, 108, 203, 376, 684, 1230, 2189, 3864, 6773, 11802, 20460, 35312, 60707, 104004, 177631, 302540, 513996, 871266, 1473817, 2488368, 4194025, 7057518, 11858508, 19898116, 33345679, 55814940, 93320819, 155867104 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`a(n)=nA000032(n). G.f.: x(1+4x-x^2)/(1-x-x^2)^2. a(n)=2a(n-1)+a(n-2)-2a(n-3)-a(n-4). a(n)=A000045(n)-5A000045(n+1)+5A010049(n+1). a(n)=A045925(n)+2A099920(n-1).`
	MATHEMATICA	`Table[LucasL[n, 1]*n, {n, 0, 36}] [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jul 09 2009]`
	CROSSREFS	`Sequence in context: A064987 A057341 A068412 this_sequence A109510 A034715 A079390` `Adjacent sequences: A146002 A146003 A146004 this_sequence A146006 A146007 A146008`
	KEYWORD	`dumb,easy,nonn`
	AUTHOR	`R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 26 2008`

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.

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