id:A026917 - OEIS Search Results

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a(n) = Sum{T(i,j)}, 0<=j<=i, 0<=i<=n, T given by A026907.

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1, 27, 127, 399, 1039, 2439, 5383, 11439, 23743, 48567, 98455, 198495, 398863, 799911, 1602343, 3207567, 6418399, 12840471, 25685047, 51374655, 102754351, 205514247, 411034567, 822075759, 1644158719, 3288325239, 6576658903 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`98*2^n - 12n^2 - 60n - 97.`
	CROSSREFS	`Sequence in context: A092770 A044359 A044740 this_sequence A048615 A124955 A126414` `Adjacent sequences: A026914 A026915 A026916 this_sequence A026918 A026919 A026920`
	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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