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%I #8 Mar 15 2020 22:21:42
%S 1,0,1,0,2,0,2,0,3,0,4,1,5,1,6,2,7,2,8,3,10,4,12,5,14,6,16,7,18,8,21,
%T 10,24,12,27,14,30,16,33,18,37,21,41,24,46,27,50,30,55,33,60,37,66,41,
%U 72,46,78,50,84,55,91,60,98
%N Expansion of 1/((1-x^2)(1-x^4)(1-x^10)(1-x^11)).
%H <a href="/index/Rec#order_27">Index entries for linear recurrences with constant coefficients</a>, signature (0,1,0,1,0,-1,0,0,0,1,1,-1,-1,-1,-1,1,1,0,0,0,-1,0,1,0,1,0,-1).
%t CoefficientList[Series[1/((1-x^2)(1-x^4)(1-x^10)(1-x^11)),{x,0,70}],x] (* _Harvey P. Dale_, Jun 18 2013 *)
%o (PARI) Vec(1/((1-x^2)*(1-x^4)*(1-x^10)*(1-x^11)) + O(x^80)) \\ _Jinyuan Wang_, Mar 15 2020
%K nonn,easy
%O 0,5
%A _N. J. A. Sloane_