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Expansion of (1-x)^(-1)/(1+x-2*x^3).
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%I #13 Oct 09 2020 19:39:27

%S 1,0,1,2,-1,4,1,-2,11,-8,5,18,-33,44,-7,-58,147,-160,45,250,-569,660,

%T -159,-978,2299,-2616,661,3938,-9169,10492,-2615,-15722,36707,-41936,

%U 10493,62922,-146793,167780,-41935,-251650,587211,-671080,167781,1006642,-2348801,2684364,-671079,-4026522

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

%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (0,1,2,-2)

%F G.f.: G(0)/(2*(1-x^2)*(1-x)), where G(k)= 1 + 1/(1 - x*(k+1)/(x*(k+2) - 1/G(k+1))); (continued fraction). - _Sergei N. Gladkovskii_, May 25 2013

%t LinearRecurrence[{0,1,2,-2},{1,0,1,2},60] (* _Harvey P. Dale_, Oct 09 2020 *)

%K sign,easy

%O 0,4

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