id:A067983 - OEIS Search Results

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Convolution of L(n+1) := A000204(n+1) (Lucas), n>=0, with L(n+5), n>=0.

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11, 51, 127, 283, 580, 1138, 2163, 4021, 7349, 13255, 23654, 41844, 73483, 128247, 222635, 384707, 662072, 1135334, 1940691, 3307865, 5623681, 9538511, 16144282, 27271848, 45987275, 77419323, 130137943 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`Fifth diagonal of triangle A067979. Fifth column of triangle A067990.`
	FORMULA	`a(n)= sum(L(k+1)L(n+5-k), k=0..n) = (18n+11)F(n+1)+11(n+1)F(n), with F(n) := A000045(n) (Fibonacci).` `G.f.: (11+7x)(1+2x)/(1-x-x^2)^2.`
	CROSSREFS	`Sequence in context: A126398 A026618 A026684 this_sequence A051843 A107464 A027942` `Adjacent sequences: A067980 A067981 A067982 this_sequence A067984 A067985 A067986`
	KEYWORD	`nonn,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Feb 15 2002`

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

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