%I #7 Jun 13 2015 00:49:17
%S 3,18,110,663,3978,23870,143223,859338,5156030,30936183,185617098,
%T 1113702590,6682215543,40093293258,240559759550,1443358557303,
%U 8660151343818,51960908062910,311765448377463,1870592690264778
%N Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 3,0,2.
%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (6,0,1,-6).
%F G.f.: x*(3+2*x^2) / ( (x-1)*(6*x-1)*(1+x+x^2) ). - _R. J. Mathar_, Apr 30 2015
%K nonn,base,easy
%O 1,1
%A _Clark Kimberling_