id:A026095 - OEIS Search Results

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a(n) = Sum{T(k,k-1)}, k = 1,2,...,n, where T is the array defined in A026082.

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1, 3, 6, 9, 22, 55, 153, 431, 1235, 3555, 10278, 29793, 86562, 251983, 734776, 2145825, 6275148, 18373299, 53856156, 158025189, 464112300, 1364247183, 4013353935, 11815188003, 34807249137, 102606325139, 302646363728, 893175905781 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Equals A024998(n) + 3, n>1.` `Sequence in context: A116614 A089001 A050889 this_sequence A061929 A019461 A067862` `Adjacent sequences: A026092 A026093 A026094 this_sequence A026096 A026097 A026098`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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