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%I #10 Apr 21 2019 10:45:28
%S 1,1,1,2,2,2,3,3,3,5,5,6,8,8,9,11,11,12,15,15,17,20,21,23,26,27,29,33,
%T 34,37,41,43,46,51,53,56,62,64,68,74,77,81,88,91,96,104,107,113,121,
%U 125,131,140,144,151,161,166
%N Expansion of 1/((1-x)*(1-x^3)*(1-x^9)*(1-x^11)).
%C Number of partitions of n into parts 1, 3, 9 and 11. - _Ilya Gutkovskiy_, May 16 2017
%H G. C. Greubel, <a href="/A029059/b029059.txt">Table of n, a(n) for n = 0..1000</a>
%H <a href="/index/Rec#order_24">Index entries for linear recurrences with constant coefficients</a>, signature (1,0,1,-1,0,0,0,0,1,-1,1,-2,1,-1,1,0,0,0,0,-1,1,0,1,-1).
%t CoefficientList[Series[1/((1 - x)*(1 - x^3)*(1 - x^9)*(1 - x^11)), {x, 0, 50}], x] (* _G. C. Greubel_, May 17 2017 *)
%t LinearRecurrence[{1,0,1,-1,0,0,0,0,1,-1,1,-2,1,-1,1,0,0,0,0,-1,1,0,1,-1},{1,1,1,2,2,2,3,3,3,5,5,6,8,8,9,11,11,12,15,15,17,20,21,23},80] (* _Harvey P. Dale_, Apr 21 2019 *)
%o (PARI) x='x+O('x^50); Vec(1/((1-x)*(1-x^3)*(1-x^9)*(1-x^11))) \\ _G. C. Greubel_, May 17 2017
%K nonn
%O 0,4
%A _N. J. A. Sloane_
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