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A064747
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a(n) = n*9^n + 1.
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3
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1, 10, 163, 2188, 26245, 295246, 3188647, 33480784, 344373769, 3486784402, 34867844011, 345191655700, 3389154437773, 33044255768278, 320275094369455, 3088366981419736, 29648323021629457, 283512088894331674, 2701703435345984179
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OFFSET
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0,2
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LINKS
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FORMULA
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a(n) = 19*a(n-1) - 99*a(n-2) + 81*a(n-3); a(0)=1, a(1)=10, a(2)=163. - Harvey P. Dale, Jan 16 2016
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MATHEMATICA
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Table[n*9^n+1, {n, 0, 20}] (* or *) LinearRecurrence[{19, -99, 81}, {1, 10, 163}, 20]
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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