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Expansion of (1-x)^(-1)/(1+x-2*x^2+2*x^3).
0

%I #7 Feb 28 2019 04:51:11

%S 1,0,3,-4,11,-24,55,-124,283,-640,1455,-3300,7491,-17000,38583,-87564,

%T 198731,-451024,1023615,-2323124,5272403,-11965880,27156935,-61633500,

%U 139879131,-317460000,720485263,-1635163524,3711054051,-8422351624,19114786775,-43381598124,98455874923

%N Expansion of (1-x)^(-1)/(1+x-2*x^2+2*x^3).

%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (0,3,-4,2).

%F A077970(n) = a(n)-a(n-1). - _R. J. Mathar_, Feb 28 2019

%K sign,easy

%O 0,3

%A _N. J. A. Sloane_, Nov 17 2002