%I
%S 1,9,84,757,6813,61320,551881,4966929,44702364,402321277,3620891493,
%T 32588023440,293292210961,2639629898649,23756669087844,
%U 213810021790597,1924290196115373
%N Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,3.
%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (9,0,1,9).
%F G.f.: x*(1+3*x^2) / ( (x1)*(9*x1)*(1+x+x^2) ).  _R. J. Mathar_, Apr 27 2015
%e In base 9 the sequence reads 1, 10, 103, 1031, 10310,...
%K nonn,base,easy
%O 1,2
%A _Clark Kimberling_
