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%I #12 Mar 15 2020 21:19:09
%S 1,0,1,0,1,1,1,1,1,2,2,3,2,3,3,4,4,4,5,5,7,6,8,7,9,9,10,11,11,13,13,
%T 15,15,17,17,19,20,21,23,23,26,26,29,29,32,33,35,37,38,41,42,45,46,49,
%U 51,54,56,58,61,63,67,68,72
%N Expansion of 1/((1-x^2)(1-x^5)(1-x^9)(1-x^11)).
%H Vincenzo Librandi, <a href="/A029209/b029209.txt">Table of n, a(n) for n = 0..1000</a>
%H <a href="/index/Rec#order_27">Index entries for linear recurrences with constant coefficients</a>, signature (0,1,0,0,1,0,-1,0,1,0,0,0,-1,-1,0,0,0,1,0,-1,0,1,0,0,1,0,-1).
%t CoefficientList[Series[1/((1-x^2)(1-x^5)(1-x^9)(1-x^11)),{x,0,70}],x] (* _Harvey P. Dale_, Sep 07 2012 *)
%o (PARI) Vec(1/((1-x^2)*(1-x^5)*(1-x^9)*(1-x^11)) + O(x^80)) \\ _Jinyuan Wang_, Mar 15 2020
%K nonn,easy
%O 0,10
%A _N. J. A. Sloane_
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