A027278 - OEIS

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A027278

a(n) = Sum{T(n,k)*T(n,k+1)}, 0<=k<=2n-1, T given by A026568.

2, 8, 60, 312, 2030, 11752, 74174, 450292, 2829898, 17572000, 110733420, 695885000, 4403631638, 27874477216, 177101756296 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A181010 A197941 A196076 * A001415 A053871 A052622` `Adjacent sequences: A027275 A027276 A027277 * A027279 A027280 A027281`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified February 14 18:09 EST 2012. Contains 205663 sequences.