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%I #10 Sep 08 2022 08:46:00
%S 8,43,253,1513,9073,54433,326593,1959553,11757313,70543873,423263233,
%T 2539579393,15237476353,91424858113,548549148673,3291294892033,
%U 19747769352193,118486616113153,710919696678913,4265518180073473,25593109080440833
%N 7*6^n+1.
%H Vincenzo Librandi, <a href="/A199321/b199321.txt">Table of n, a(n) for n = 0..1000</a>
%H <a href="/index/Rec">Index entries for linear recurrences with constant coefficients</a>, signature (7,-6).
%F a(n) = 6*a(n-1)-5.
%F a(n) = 7*a(n-1)-6*a(n-2).
%F G.f.: (8-13*x)/((1-x)*(1-6*x)).
%o (Magma) [7*6^n+1: n in [0..30]];
%K nonn,easy
%O 0,1
%A _Vincenzo Librandi_, Nov 06 2011