%I #12 Dec 12 2023 09:34:04
%S 1,1,3,2,2,1,4,4,2,3,3,4,1,1,3,2,2,1,4,4,2,3,3,4,1,1,3,2,2,1,4,4,2,3,
%T 3,4,1,1,3,2,2,1,4,4,2,3,3,4,1,1,3,2,2,1,4,4,2,3,3,4,1,1,3,2,2,1,4,4,
%U 2,3,3,4,1,1,3,2,2,1,4,4,2,3,3,4,1,1,3,2,2,1,4,4,2,3,3,4,1,1,3,2,2,1,4,4,2
%N Period 12: repeat 1, 1, 3, 2, 2, 1, 4, 4, 2, 3, 3, 4.
%C Also the decimal expansion of 1018994/9000009. [From _R. J. Mathar_, Feb 07 2009]
%H <a href="/index/Rec#order_12">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).
%F G.f.: (1+2x^2-x^3-x^5+4x^6)/((1-x)(1+x^2)(1-x^2+x^4)). a(n)=a(n-1)-a(n-6)+a(n-7). [From _R. J. Mathar_, Feb 07 2009]
%t PadRight[{},120,{1,1,3,2,2,1,4,4,2,3,3,4}] (* _Harvey P. Dale_, Jan 12 2016 *)
%K nonn,easy
%O 0,3
%A _Paul Curtz_, Sep 22 2007
%E More periods from _R. J. Mathar_, Feb 07 2009
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