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%I #23 Sep 08 2022 08:44:38
%S 6,216,7776,279936,10077696,362797056,13060694016,470184984576,
%T 16926659444736,609359740010496,21936950640377856,789730223053602816,
%U 28430288029929701376,1023490369077469249536,36845653286788892983296
%N a(n) = 6^(2n+1).
%H Vincenzo Librandi, <a href="/A013711/b013711.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 (36).
%F G.f.: 6/(1-36*x). - _Philippe Deléham_, Nov 24 2008
%F a(n) = 36*a(n-1), a(0)=6. - _Vincenzo Librandi_, May 26 2011
%t lst={}; Do[AppendTo[lst,6^(2*n+1)],{n,0,5!}]; lst (* _Vladimir Joseph Stephan Orlovsky_, Jan 15 2009 *)
%t NestList[36#&,6,20] (* _Harvey P. Dale_, Oct 18 2012 *)
%o (Magma) [6^(2*n+1): n in [0..20]]; // _Vincenzo Librandi_, May 26 2011
%o (PARI) a(n)=6^(2*n+1) \\ _Charles R Greathouse IV_, Jul 10 2016
%K nonn,easy
%O 0,1
%A _N. J. A. Sloane_
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