id:A026960 - OEIS Search Results

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

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1, 3, 10, 30, 78, 189, 440, 999, 2230, 4917, 10740, 23283, 50162, 107505, 229360, 487407, 1032174, 2179053, 4587500, 9633771, 20185066, 42205161, 88080360, 183500775, 381681638, 792723429, 1644167140, 3405774819 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`For n>1, a(n) = 7(n+2)*2^(n-3) - n - 2.`
	CROSSREFS	`Sequence in context: A096140 A052976 A006484 this_sequence A026990 A027256 A115515` `Adjacent sequences: A026957 A026958 A026959 this_sequence A026961 A026962 A026963`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified August 29 14:46 EDT 2008. Contains 143251 sequences.

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