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%I #20 Mar 20 2023 05:07:16
%S 2,35,431,5183,62207,746495,8957951,107495423,1289945087,15479341055,
%T 185752092671,2229025112063,26748301344767,320979616137215,
%U 3851755393646591,46221064723759103,554652776685109247,6655833320221310975
%N a(n) = 3*12^n-1.
%H Vincenzo Librandi, <a href="/A199032/b199032.txt">Table of n, a(n) for n = 0..900</a>
%H <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (13,-12).
%F a(n) = 12*a(n-1)+11.
%F a(n) = 13*a(n-1)-12*a(n-2).
%F G.f.: (2+9*x)/((1-x)*(1-12*x)). - _Bruno Berselli_, Nov 03 2011
%t 3*12^Range[0,30]-1 (* or *) LinearRecurrence[{13,-12},{2,35},30] (* _Harvey P. Dale_, Apr 20 2015 *)
%o (Magma) [3*12^n-1 : n in [0..20]]
%K nonn,easy
%O 0,1
%A _Vincenzo Librandi_, Nov 03 2011
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