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%I #9 Feb 28 2020 04:27:43
%S 1,0,1,0,1,1,1,1,1,1,2,1,3,1,3,2,3,3,3,3,4,3,5,3,6,4,6,5,6,6,7,6,8,6,
%T 9,7,10,8,10,9,11,10,12,10,13,11,14,12,15,13,16,14,17,15,18,16,19,17,
%U 20,18,22,19,23,20,24,22,25
%N Expansion of 1/((1-x^2)*(1-x^5)*(1-x^12)).
%H <a href="/index/Rec#order_19">Index entries for linear recurrences with constant coefficients</a>, signature (0,1,0,0,1,0,-1,0,0,0,0,1,0,-1,0,0,-1,0,1).
%t CoefficientList[Series[1/((1-x^2)(1-x^5)(1-x^12)),{x,0,70}],x] (* or *) LinearRecurrence[{0,1,0,0,1,0,-1,0,0,0,0,1,0,-1,0,0,-1,0,1},{1,0,1,0,1,1,1,1,1,1,2,1,3,1,3,2,3,3,3},70] (* _Harvey P. Dale_, Mar 26 2018 *)
%o (PARI) Vec(1/((1-x^2)*(1-x^5)*(1-x^12)) + O(x^75)) \\ _Jinyuan Wang_, Feb 28 2020
%K nonn
%O 0,11
%A _N. J. A. Sloane_