%I #6 Mar 18 2020 09:00:24
%S 1,1,1,1,1,2,2,2,2,3,4,4,5,5,6,7,7,8,9,10,11,12,13,14,16,17,18,20,21,
%T 23,25,26,28,30,32,34,37,39,41,44,46,49,52,54,57,61,64,67,71,74,78,82,
%U 85,89,94,98,102,107,111,116
%N Expansion of 1/((1-x)(1-x^5)(1-x^9)(1-x^12)).
%H <a href="/index/Rec#order_27">Index entries for linear recurrences with constant coefficients</a>, signature (1,0,0,0,1,-1,0,0,1,-1,0,1,-1,-1,1,0,-1,1,0,0,-1,1,0,0,0,1,-1).
%t CoefficientList[Series[1/((1-x)(1-x^5)(1-x^9)(1-x^12)), {x, 0, 70}], x] (* _Jinyuan Wang_, Mar 18 2020 *)
%K nonn,easy
%O 0,6
%A _N. J. A. Sloane_