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%I #6 Jan 11 2019 06:32:03
%S 0,0,0,0,2,6,28,108,444,1792,7282,29538,119888,486512,1974392,8012464,
%T 32516266,131957670,535511468,2173215852,8819357908,35790772064,
%U 145246329946,589439543490,2392067156800,9707501550336,39395042101392,159873200546432,648798399230418,2632957627701382
%N The sequence denoted by r_n used in the calculation of A323260.
%H K. A. Van'kov, V. M. Zhuravlyov, <a href="https://www.mccme.ru/free-books/matpros/pdf/mp-22.pdf#page=127">Regular tilings and generating functions</a>, Mat. Pros. Ser. 3, issue 22, 2018 (127-157) [in Russian]. See Table 1.
%H <a href="/index/Rec#order_06">Index entries for linear recurrences with constant coefficients</a>, signature (4,2,-8,2,6,-1).
%F Van'kov and Zhuravlyov give recurrences.
%F G.f.: -2*x^5*(x-1)/(1+x)/(x^5-7*x^4+5*x^3+3*x^2-5*x+1) . - _R. J. Mathar_, Jan 11 2019
%Y Cf. A323260-A323269.
%K nonn,easy
%O 1,5
%A _N. J. A. Sloane_, Jan 09 2019
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