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A012886
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a(n+3) = 5*a(n+2)-4*a(n+1)+a(n).
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0
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1, 2, 3, 8, 30, 121, 493, 2011, 8204, 33469, 136540, 557028, 2272449, 9270673, 37820597, 154292742, 629451995, 2567909604, 10476032782, 42737977489, 174353665921, 711292452431, 2901785575960, 11838111735997
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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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MATHEMATICA
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LinearRecurrence[{5, -4, 1}, {1, 2, 3}, 30] (* Harvey P. Dale, Sep 16 2023 *)
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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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