id:A026973 - OEIS Search Results

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a(n) = Sum{T(n,k)*T(n,k+2)}, 0<=k<=n-2, T given by A026648.

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1, 8, 52, 224, 1131, 4620, 23456, 92752, 460170, 1805760, 8946216, 34942176, 172593267, 673129380, 3323413216, 12954246368, 63944790462, 249263001360 (list; graph; listen)

	OFFSET	`2,2`
	CROSSREFS	`Sequence in context: A035288 A024179 A026963 this_sequence A107584 A027225 A073377` `Adjacent sequences: A026970 A026971 A026972 this_sequence A026974 A026975 A026976`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.

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