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%I #20 Sep 08 2022 08:44:38
%S 6561,387420489,22876792454961,1350851717672992089,
%T 79766443076872509863361,4710128697246244834921603689,
%U 278128389443693511257285776231761,16423203268260658146231467800709255289,969773729787523602876821942164080815560161
%N a(n) = 9^(5*n + 4).
%H Vincenzo Librandi, <a href="/A013853/b013853.txt">Table of n, a(n) for n = 0..100</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 (59049).
%o (Magma) [9^(5*n+4): n in [0..15]]; // _Vincenzo Librandi_, Jul 08 2011
%o (Maxima) makelist(9^(5*n+4),n,0,20); /* _Martin Ettl_, Oct 21 2012 */
%o (PARI) a(n) = 9^(5*n+4); \\ _Altug Alkan_, Sep 08 2018
%K nonn,easy
%O 0,1
%A _N. J. A. Sloane_
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