%I #19 Feb 18 2024 02:05:23
%S 1,2,1,3,1,2,1,1,2,1,3,1,2,1,1,2,1,3,1,2,1,1,2,1,3,1,2,1,1,2,1,3,1,2,
%T 1,1,2,1,3,1,2,1,1,2,1,3,1,2,1,1,2,1,3,1,2,1,1,2,1,3,1,2,1,1,2,1,3,1,
%U 2,1,1,2,1,3,1,2,1,1,2,1
%N Period 7.
%H <a href="/index/Rec#order_07">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,0,0,0,0,1).
%F G.f.: -(x^2 - x + 1)*(x^4 + 3*x^3 + 3*x^2 + 3*x + 1) / ( (x-1)*(1 + x + x^2 + x^3 + x^4 + x^5 + x^6) ). - _R. J. Mathar_, Dec 15 2015
%t PadRight[{},120,{1,2,1,3,1,2,1}] (* _Harvey P. Dale_, Apr 15 2020 *)
%K nonn,easy
%O 0,2
%A _N. J. A. Sloane_