A067986 - OEIS

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A067986

Convolution of L(n+1) := A000204(n+1) (Lucas), n>=0, with L(n+8), n>=0.

47, 217, 539, 1201, 2460, 4826, 9171, 17047, 31153, 56185, 100258, 177348, 311431, 543509, 943495, 1630289, 2805624, 4811038, 8223627, 14016755, 23829437, 40417337, 68406974, 115555656, 194854175 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	COMMENTS	`Eighth diagonal of triangle A067979. Eighth column of triangle A067990.`
	FORMULA	`a(n)= sum(L(k+1)L(n+8-k), k=0..n) = (76n+47)F(n+1)+47(n+1)F(n), with F(n) := A000045(n) (Fibonacci).` `G.f.: (47+29x)(1+2x)/(1-x-x^2)^2.`
	CROSSREFS	`Sequence in context: A157362 A141874 A142203 * A141537 A102090 A033226` `Adjacent sequences: A067983 A067984 A067985 * A067987 A067988 A067989`
	KEYWORD	`nonn,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Feb 15 2002`

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Last modified February 15 10:28 EST 2012. Contains 205763 sequences.