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%I #24 Sep 08 2022 08:46:00
%S 2,13,79,475,2851,17107,102643,615859,3695155,22170931,133025587,
%T 798153523,4788921139,28733526835,172401161011,1034406966067,
%U 6206441796403,37238650778419,223431904670515,1340591428023091,8043548568138547
%N a(n) = (11*6^n - 1)/5.
%H Vincenzo Librandi, <a href="/A198849/b198849.txt">Table of n, a(n) for n = 0..1000</a>
%H <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (7,-6).
%F a(n) = 6*a(n-1) + 1.
%F a(n) = 7*a(n-1) - 6*a(n-2), n > 1.
%F G.f.: ( 2-x ) / ( (6*x-1)*(x-1) ). - _R. J. Mathar_, Oct 31 2011
%o (Magma) [(11*6^n-1)/5: n in [0..30]]
%K nonn,easy
%O 0,1
%A _Vincenzo Librandi_, Oct 31 2011
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