%I #11 Sep 08 2022 08:46:00
%S 8,78,848,9318,102488,1127358,12400928,136410198,1500512168,
%T 16505633838,181561972208,1997181694278,21968998637048,
%U 241658985007518,2658248835082688,29240737185909558,321648109045005128,3538129199495056398
%N 7*11^n+1
%H Vincenzo Librandi, <a href="/A199758/b199758.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 (12,-11).
%F a(n) = 11*a(n-1)-10.
%F a(n) = 12*a(n-1)-11*a(n-2).
%F G.f.: 2*(4-9*x)/((1-x)*(1-11*x)).
%o (Magma) [7*11^n+1: n in [0..30]];
%K nonn,easy
%O 0,1
%A _Vincenzo Librandi_, Nov 10 2011