%I #8 Jun 01 2021 13:23:44
%S 1,1,1,1,1,1,2,2,2,2,2,3,5,5,5,5,5,6,8,8,8,8,9,11,14,14,14,14,15,17,
%T 20,20,20,21,23,26,30,30,30,31,33,36,40,40,41,43,46,50,55,55,56,58,61,
%U 65,70,71,73,76,80,85,91,92
%N Expansion of 1/((1-x)(1-x^6)(1-x^11)(1-x^12)).
%H <a href="/index/Rec#order_30">Index entries for linear recurrences with constant coefficients</a>, signature (1, 0, 0, 0, 0, 1, -1, 0, 0, 0, 1, 0, -1, 0, 0, 0, -1, 0, 1, 0, 0, 0, -1, 1, 0, 0, 0, 0, 1, -1).
%t CoefficientList[Series[1/((1-x)(1-x^6)(1-x^11)(1-x^12)),{x,0,70}],x] (* or *) LinearRecurrence[{1,0,0,0,0,1,-1,0,0,0,1,0,-1,0,0,0,-1,0,1,0,0,0,-1,1,0,0,0,0,1,-1},{1,1,1,1,1,1,2,2,2,2,2,3,5,5,5,5,5,6,8,8,8,8,9,11,14,14,14,14,15,17},70] (* _Harvey P. Dale_, Jun 01 2021 *)
%o (PARI) Vec(1/((1-x)*(1-x^6)*(1-x^11)*(1-x^12)) + O(x^99)) \\ _Jinyuan Wang_, Mar 18 2020
%K nonn,easy
%O 0,7
%A _N. J. A. Sloane_