id:A026957 - OEIS Search Results

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a(n) = Sum{T(n,k)*T(n,k+1)}, 0<=k<=n-1, T given by A026615.

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1, 6, 35, 154, 613, 2362, 9028, 34510, 132241, 508210, 1958460, 7565906, 29292820, 113633930, 441579702, 1718642278, 6698377449, 26139863330, 102125977396, 399415127682 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A132657 A027985 A078799 this_sequence A026987 A030532 A026997` `Adjacent sequences: A026954 A026955 A026956 this_sequence A026958 A026959 A026960`
	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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