id:A067332 - OEIS Search Results

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Convolution of Fibonacci F(n+1), n>=0, with F(n+4), n>=0.

+0
1

3, 8, 19, 40, 80, 154, 289, 532, 965, 1730, 3072, 5412, 9471, 16480, 28535, 49196, 84496, 144638, 246845, 420140, 713353, 1208518, 2043264, 3448200, 5809275, 9771704, 16413019, 27530992, 46122320 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`Fourth diagonal of A067330. Fourth column of A067418.`
	FORMULA	`a(n)= A067330(n+3, n) = A067418(n+3, 3) = sum(F(k+1)F(n+4-k), k=0..n), n>=0.` `a(n)= ((11n+15)F(n+1)+7(n+1)F(n))/5, with F(n) := A000045(n) (Fibonacci).` `G.f.: (3+2x)/(1-x-x^2)^2.`
	CROSSREFS	`Adjacent sequences: A067329 A067330 A067331 this_sequence A067333 A067334 A067335` `Sequence in context: A083186 A055341 A007326 this_sequence A082535 A136396 A006380`
	KEYWORD	`nonn,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Feb 15 2002`

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Last modified October 15 20:12 EDT 2008. Contains 145099 sequences.

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