id:A027143 - OEIS Search Results

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a(n) = Sum{T(n,k)*T(n,k+3)}, 0<=k<=2n-3, T given by A027113.

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57, 486, 4117, 34760, 293086, 2471917, 20870169, 176467252, 1494672812, 12682766442, 107814252502, 918166760699, 7832993240285, 66936986352534 (list; graph; listen)

	OFFSET	`3,1`
	CROSSREFS	`Sequence in context: A038482 A097200 A076459 this_sequence A084220 A060891 A098995` `Adjacent sequences: A027140 A027141 A027142 this_sequence A027144 A027145 A027146`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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

AT&T Labs Research