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%I #8 Oct 21 2023 17:10:13
%S 1,7,19,49,120,284,656,1488,3328,7360,16128,35072,75776,162816,348160,
%T 741376,1572864,3325952,7012352,14745600,30932992,64749568,135266304,
%U 282066944,587202560,1220542464
%N Expansion of (x-1)*(x^2-4*x-1)/(1-2*x)^2.
%K nonn
%O 0,2
%A _N. J. A. Sloane_
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