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A133914
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Row sums of triangle A133913.
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2
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1, 3, 5, 11, 23, 44, 89, 177, 355, 711, 1420, 2841, 5683, 11367, 22731, 45463, 90925, 181851, 363703, 727404, 1454809, 2909617, 5819235, 11638471, 23276940, 46553881, 93107763, 186215527, 372431051, 744862103, 1489724205, 2979448411, 5958896823, 11917793644
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OFFSET
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1,2
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LINKS
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FORMULA
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EXAMPLE
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a(4) = 11 = sum of row 4 terms of triangle A133913: (1 + 4 + 4 + 2).
a(4) = 11 = 2*a(3) + A133912(3) = 2*5 + 1, where A133912 = (1, 1, -1, 1, 1, -2, 1, -1, ...), first finite difference row of A077001.
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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