id:A027297 - OEIS Search Results

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a(n) = Sum{T(n,k)*T(n,k+3)}, 0<=k<=[ (n-3)/2 ], T given by A026022.

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1, 4, 30, 104, 567, 1952, 9453, 32900, 150029, 528956, 2327156, 8303216, 35679835, 128633440, 543723257, 1977821700, 8260172309, 30278441400, 125314192728, 462409521376 (list; graph; listen)

	OFFSET	`3,2`
	CROSSREFS	`Sequence in context: A167395 A109670 A014697 this_sequence A166761 A027445 A027789` `Adjacent sequences: A027294 A027295 A027296 this_sequence A027298 A027299 A027300`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.

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