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%I #15 May 20 2021 15:18:58
%S 0,1,3,13,51,208,842,3419,13873,56303,228487,927252,3762976,15270937,
%T 61972603,251497601,1020629091,4141923220,16808778106,68213486019,
%U 276824385713,1123410413427,4559031003423,18501487472296,75082849498048,304701678564513,1236542213577475,5018143166006245
%N A323265(n)/2.
%H Colin Barker, <a href="/A323266/b323266.txt">Table of n, a(n) for n = 1..1000</a>
%H <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (5,-3,-5,7,-1).
%F From _Colin Barker_, Jan 16 2019: (Start)
%F G.f.: x^2*(1 - x)^2 / (1 - 5*x + 3*x^2 + 5*x^3 - 7*x^4 + x^5).
%F a(n) = 5*a(n-1) - 3*a(n-2) - 5*a(n-3) + 7*a(n-4) - a(n-5) for n>5.
%F (End)
%t LinearRecurrence[{5,-3,-5,7,-1},{0,1,3,13,51},30] (* _Harvey P. Dale_, May 20 2021 *)
%o (PARI) concat(0, Vec(x^2*(1 - x)^2 / (1 - 5*x + 3*x^2 + 5*x^3 - 7*x^4 + x^5) + O(x^30))) \\ _Colin Barker_, Jan 16 2019
%Y Cf. A323265.
%K nonn,easy
%O 1,3
%A _N. J. A. Sloane_, Jan 09 2019