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%I #10 Sep 08 2022 08:46:00
%S 8,57,449,3585,28673,229377,1835009,14680065,117440513,939524097,
%T 7516192769,60129542145,481036337153,3848290697217,30786325577729,
%U 246290604621825,1970324836974593,15762598695796737,126100789566373889
%N 7*8^n+1.
%H Vincenzo Librandi, <a href="/A199555/b199555.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 (9,-8).
%F a(n) = 8*a(n-1)-7.
%F a(n) = 9*a(n-1)-8*a(n-2).
%F G.f.: (8-15*x)/((1-x)*(1-8*x)).
%o (Magma) [7*8^n+1: n in [0..30]];
%K nonn,easy
%O 0,1
%A _Vincenzo Librandi_, Nov 08 2011
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