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%I #19 Mar 20 2023 05:07:44
%S 4,59,719,8639,103679,1244159,14929919,179159039,2149908479,
%T 25798901759,309586821119,3715041853439,44580502241279,
%U 534966026895359,6419592322744319,77035107872931839,924421294475182079,11093055533702184959
%N a(n) = 5*12^n-1.
%H Vincenzo Librandi, <a href="/A199107/b199107.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.: (4+7*x)/((1-x)*(1-12*x)). - _Bruno Berselli_, Nov 03 2011
%o (Magma) [5*12^n-1: n in [0..20]];
%o (PARI) a(n)=5*12^n-1 \\ _Charles R Greathouse IV_, Nov 03 2014
%K nonn,easy
%O 0,1
%A _Vincenzo Librandi_, Nov 03 2011