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A199310 7*5^n+1. 1

%I

%S 8,36,176,876,4376,21876,109376,546876,2734376,13671876,68359376,

%T 341796876,1708984376,8544921876,42724609376,213623046876,

%U 1068115234376,5340576171876,26702880859376,133514404296876,667572021484376

%N 7*5^n+1.

%H Vincenzo Librandi, <a href="/A199310/b199310.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 (6,-5).

%F a(n) = 5*a(n-1)-4.

%F a(n) = 6*a(n-1)-5*a(n-2).

%F G.f.: (8-12*x)/((1-x)*(1-5*x)).

%o (MAGMA) [7*5^n+1: n in [0..30]];

%K nonn,easy

%O 0,1

%A _Vincenzo Librandi_, Nov 05 2011

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Last modified February 25 20:04 EST 2020. Contains 332258 sequences. (Running on oeis4.)