%I #20 Dec 14 2023 05:28:34
%S 3,32,321,3210,32103,321032,3210321,32103210,321032103,3210321032,
%T 32103210321,321032103210,3210321032103,32103210321032,
%U 321032103210321,3210321032103210
%N Decimal expansion of a(n) is given by the first n terms of the periodic sequence with initial period 3,2,1,0.
%H <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (10,0,0,1,-10).
%F G.f.: x*(3+2*x+x^2) / ( (x-1)*(10*x-1)*(1+x)*(x^2+1) ). - _R. J. Mathar_, Aug 04 2013
%t Table[FromDigits[PadRight[{},n,{3,2,1,0}]],{n,20}] (* or *) LinearRecurrence[ {10,0,0,1,-10},{3,32,321,3210,32103},20] (* _Harvey P. Dale_, Apr 06 2017 *)
%K nonn,base,easy
%O 1,1
%A _Clark Kimberling_