%I #8 Mar 11 2020 22:47:52
%S 1,0,0,0,1,0,0,0,1,1,0,1,2,1,0,1,2,1,1,1,3,2,2,2,4,2,2,3,4,3,3,4,5,5,
%T 4,5,7,5,5,6,8,6,7,7,10,9,8,9,12,10,9,11,13,12,12,13,16,15,14,15,19,
%U 16,16,18,21,19,20,21,24,23
%N Expansion of 1/((1-x^4)(1-x^9)(1-x^11)(1-x^12)).
%H <a href="/index/Rec#order_36">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, -1, 0, -1, -1, 0, 0, 0, -1, -1, 0, -1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, -1).
%t CoefficientList[Series[1/((1-x^4)(1-x^9)(1-x^11)(1-x^12)),{x,0,70}],x] (* _Harvey P. Dale_, Oct 13 2012 *)
%o (PARI) Vec(1/((1-x^4)*(1-x^9)*(1-x^11)*(1-x^12)) + O(x^80)) \\ _Jinyuan Wang_, Mar 11 2020
%K nonn,easy
%O 0,13
%A _N. J. A. Sloane_