%I #7 Apr 13 2022 09:03:57
%S 1,1,1,1,1,1,1,1,1,2,2,3,3,3,3,3,3,3,4,4,5,5,6,6,6,6,6,7,7,8,8,9,9,10,
%T 10,10,11,11,12,12,13,13,14,14,15,16,16,17,17,18,18,19,19,20,21,22,23,
%U 23,24,24,25,25,26,27,28
%N Expansion of 1/((1-x)(1-x^9)(1-x^11)).
%H <a href="/index/Rec#order_21">Index entries for linear recurrences with constant coefficients</a>, signature (1, 0, 0, 0, 0, 0, 0, 0, 1, -1, 1, -1, 0, 0, 0, 0, 0, 0, 0, -1, 1).
%t CoefficientList[Series[1/((1-x)(1-x^9)(1-x^11)),{x,0,90}],x] (* or *) LinearRecurrence[ {1,0,0,0,0,0,0,0,1,-1,1,-1,0,0,0,0,0,0,0,-1,1},{1,1,1,1,1,1,1,1,1,2,2,3,3,3,3,3,3,3,4,4,5},90] (* _Harvey P. Dale_, Apr 13 2022 *)
%K nonn
%O 0,10
%A _N. J. A. Sloane_.