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%I #21 Dec 14 2023 05:31:05
%S 2,23,230,2301,23012,230123,2301230,23012301,230123012,2301230123,
%T 23012301230,230123012301,2301230123012,23012301230123,
%U 230123012301230,2301230123012301
%N Decimal expansion of a(n) is given by the first n terms of the periodic sequence with initial period 2,3,0,1.
%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.: ( 2+3*x+x^3 )*x / ( (x-1)*(10*x-1)*(1+x)*(1+x^2) ). - _R. J. Mathar_, Nov 21 2011
%o (PARI) Vec((2+3*x+x^3 )*x/((x-1)*(10*x-1)*(1+x)*(1+x^2)) + O(x^25)) \\ _Jinyuan Wang_, Apr 14 2020
%K nonn,base,easy
%O 1,1
%A _Clark Kimberling_
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