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%I #27 Sep 08 2022 08:44:38
%S 13,28561,62748517,137858491849,302875106592253,665416609183179841,
%T 1461920290375446110677,3211838877954855105157369,
%U 7056410014866816666030739693
%N a(n) = 13^(3*n + 1).
%H Vincenzo Librandi, <a href="/A013752/b013752.txt">Table of n, a(n) for n = 0..200</a>
%H Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a>
%H <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature(2197).
%F From _Philippe Deléham_, Nov 30 2008: (Start)
%F a(n) = 2197*a(n-1); a(0)=13.
%F G.f.: 13/(1-2197*x).
%F a(n) = A013753(n)/13. (End)
%o (Magma) [13^(3*n+1): n in [0..15]]; // _Vincenzo Librandi_, Jun 27 2011
%o (PARI) a(n)=13^(3*n+1) \\ _Charles R Greathouse IV_, Jun 27 2011
%Y Subsequence of A001022.
%K nonn,easy
%O 0,1
%A _N. J. A. Sloane_
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