id:A026994 - OEIS Search Results

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a(n) = Sum{T(n,k)*T(n,k+3)}, 0<=k<=n-3, T given by A026692.

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1, 8, 55, 348, 2089, 10930, 59507, 303260, 1541766, 7603878, 39661955, 193854488, 942975507, 4575005798, 23493563115, 113291185280, 541966221369 (list; graph; listen)

	OFFSET	`3,2`
	CROSSREFS	`Sequence in context: A027525 A080312 A116885 this_sequence A110184 A013698 A154245` `Adjacent sequences: A026991 A026992 A026993 this_sequence A026995 A026996 A026997`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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