id:A027217 - OEIS Search Results

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a(n) = Sum{T(n,k)*T(n,k+2), 0<=k<=n-2, T given by A026736.

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1, 6, 32, 136, 640, 2593, 11860, 47532, 215531, 861334, 3893621, 15549166, 70199065, 280316029, 1264697307, 5050617474, 22776900816, 90972831448, 410117333080 (list; graph; listen)

	OFFSET	`2,2`
	CROSSREFS	`Adjacent sequences: A027214 A027215 A027216 this_sequence A027218 A027219 A027220` `Sequence in context: A102359 A000397 A130410 this_sequence A121333 A046725 A006668`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.

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