id:A027141 - OEIS Search Results

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a(n) = Sum{T(n,k)*T(n,k+1)}, 0<=k<=2n-1, T given by A027113.

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3, 23, 165, 1218, 9247, 71688, 564759, 4506005, 36324407, 295341956, 2418783687, 19932773439, 165151576215, 1374850036253, 11493442158373, 96443092570534 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A037789 A037670 A037796 this_sequence A002398 A110065 A002816` `Adjacent sequences: A027138 A027139 A027140 this_sequence A027142 A027143 A027144`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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