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 A199557 10*8^n+1. 1

%I

%S 11,81,641,5121,40961,327681,2621441,20971521,167772161,1342177281,

%T 10737418241,85899345921,687194767361,5497558138881,43980465111041,

%U 351843720888321,2814749767106561,22517998136852481,180143985094819841

%N 10*8^n+1.

%H Vincenzo Librandi, <a href="/A199557/b199557.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.: (11-18*x)/((1-x)*(1-8*x)).

%o (Magma) [10*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 December 3 20:52 EST 2022. Contains 358543 sequences. (Running on oeis4.)