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A199555 7*8^n+1. 2

%I

%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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Last modified February 4 10:27 EST 2023. Contains 360053 sequences. (Running on oeis4.)