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%I #14 Aug 11 2024 10:40:16
%S 1,3,6,9,9,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
%T 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
%U 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8
%N G.f. = (1+x)^2*(1+2*x^2-x^3)/(1-x).
%C Decimal expansion of 123299/900000. - _Elmo R. Oliveira_, May 06 2024
%H <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (1).
%F a(n) = 8 for n >= 5.
%Y Row 2 of array in A329512.
%K nonn
%O 0,2
%A _N. J. A. Sloane_, Nov 24 2019