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%I #11 Apr 17 2022 22:11:26
%S 1,0,0,1,0,0,1,1,0,2,1,0,2,1,1,2,2,1,3,2,1,4,2,2,4,3,2,5,4,2,6,4,3,6,
%T 5,4,7,6,4,8,6,5,9,7,6,10,8,6,11,9,7,12,10,8,13,11,9,14,12,10,15,13,
%U 11,17,14,12,18,15,13,19,17,14
%N Expansion of 1/((1-x^3)(1-x^7)(1-x^9)).
%H <a href="/index/Rec#order_19">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 1, 0, 0, 0, 1, 0, 1, -1, 0, -1, 0, 0, 0, -1, 0, 0, 1).
%F G.f.: 1/((1-x^3)*(1-x^7)*(1-x^9)).
%t CoefficientList[Series[1/((1-x^3)(1-x^7)(1-x^9)),{x,0,80}],x] (* _Harvey P. Dale_, Sep 07 2011 *)
%K nonn
%O 0,10
%A _N. J. A. Sloane_.