%I #7 Jun 13 2015 00:49:17
%S 2,13,81,488,2929,17577,105464,632785,3796713,22780280,136681681,
%T 820090089,4920540536,29523243217,177139459305,1062836755832,
%U 6377020534993,38262123209961,229572739259768,1377436435558609
%N Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 2,1,3.
%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*(2+x+3*x^2) / ( (x-1)*(6*x-1)*(1+x+x^2) ). - _R. J. Mathar_, Apr 29 2015
%K nonn,base,easy
%O 1,1
%A _Clark Kimberling_