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%I #7 Jun 13 2015 00:49:17
%S 3,18,109,657,3942,23653,141921,851526,5109157,30654945,183929670,
%T 1103578021,6621468129,39728808774,238372852645,1430237115873,
%U 8581422695238,51488536171429,308931217028577,1853587302171462
%N Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 3,0,1.
%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+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_