%I #7 Aug 08 2019 18:57:22
%S 1,-1,1,2,-6,10,-5,-15,51,-76,36,132,-411,595,-235,-1130,3326,-4626,
%T 1471,9637,-26841,35880,-8440,-81720,216201,-277401,40681,689642,
%U -1738046,2137490,-109245,-5794535,13945051,-16410276,-864084,48493772,-111669651,125487675,20857725,-404360450
%N Expansion of (1-x)^(-1)/(1+2*x+2*x^2-x^3).
%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (-1,0,3,-1).
%K sign,easy
%O 0,4
%A _N. J. A. Sloane_, Nov 17 2002