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Expansion of 1/((1-x)(1-x^9)(1-x^11)).
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%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_.