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1, 4, 40, 388, 3472, 29644, 246520, 2019028, 16386592, 132264604, 1063976200, 8541106468, 68475336112, 548535110764, 4391942995480, 35153854510708, 281322388820032, 2251036874232124, 18010583812216360, 144096114589527748
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listen;
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text;
internal format)
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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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G.f.: 1/(1-8*x)-1/(1-5*x)+1/(1-x). E.g.f.: e^(8*x)-e^(5*x)+e^x.
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MATHEMATICA
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Table[8^n-5^n+1^n, {n, 0, 20}] (* or *) LinearRecurrence[{14, -53, 40}, {1, 4, 40}, 20] (* Harvey P. Dale, May 08 2018 *)
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PROG
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CROSSREFS
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Cf. A155624, A155625, A155626, A155627, A155628, A155629, A155630, A155631, A155632, A155633, A155634, A155635, A155636, A155637, A155638, A155639, A155640.
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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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