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%I #7 May 09 2022 00:40:05
%S 1,4,15,56,207,764,2819,10400,38367,141540,522155,1926280,7106231,
%T 26215564,96711715,356778736,1316190767,4855553204,17912598619,
%U 66081283800,243780155047,899328229980,3317707567635,12239339472960,45152090014111,166570364123524
%N Expansion of (1-x)^(-1)/(1-3*x-2*x^2-2*x^3).
%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (4,-1,0,-2).
%F G.f.: (1-x)^(-1)/(1-3*x-2*x^2-2*x^3).
%t CoefficientList[Series[(1 - x)^(-1)/(1 - 3*x - 2*x^2 - 2*x^3), {x, 0, 30}], x] (* _Wesley Ivan Hurt_, May 09 2022 *)
%K nonn
%O 0,2
%A _N. J. A. Sloane_, Nov 17 2002
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