%I #12 Mar 15 2020 21:18:56
%S 1,0,1,0,1,1,1,1,2,1,3,2,3,3,3,4,5,4,6,5,7,7,8,8,10,9,12,11,13,13,15,
%T 15,18,17,20,20,22,23,25,25,29,28,32,32,35,36,39,39,44,43,48,48,52,53,
%U 57,58,63,63,68,69,74,75,80
%N Expansion of 1/((1-x^2)(1-x^5)(1-x^8)(1-x^11)).
%H Vincenzo Librandi, <a href="/A029206/b029206.txt">Table of n, a(n) for n = 0..1000</a>
%H <a href="/index/Rec#order_26">Index entries for linear recurrences with constant coefficients</a>, signature (0,1,0,0,1,0,-1,1,0,-1,1,0,-2,0,1,-1,0,1,-1,0,1,0,0,1,0,-1).
%t CoefficientList[Series[1/((1 - x^2) (1 - x^5) (1 - x^8) (1 - x^11)), {x, 0, 70}], x] (* _Vincenzo Librandi_, Jun 02 2014 *)
%o (PARI) Vec(1/((1-x^2)*(1-x^5)*(1-x^8)*(1-x^11)) + O(x^80)) \\ _Jinyuan Wang_, Mar 15 2020
%K nonn,easy
%O 0,9
%A _N. J. A. Sloane_