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%I #25 Sep 08 2022 08:44:38
%S 6,1296,279936,60466176,13060694016,2821109907456,609359740010496,
%T 131621703842267136,28430288029929701376,6140942214464815497216,
%U 1326443518324400147398656,286511799958070431838109696
%N a(n) = 6^(3*n + 1).
%H Vincenzo Librandi, <a href="/A013738/b013738.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 (216).
%F From _Philippe Deléham_, Nov 25 2008: (Start)
%F a(n) = 216*a(n-1); a(0)=6.
%F G.f.: 6/(1-216*x). (End)
%p seq(6^(3*n+1),n=0..11); # _Nathaniel Johnston_, Jun 26 2011
%t 6^(3*Range[0,20]+1) (* or *) NestList[216#&,6,20] (* _Harvey P. Dale_, Jan 01 2012 *)
%o (Magma) [6^(3*n+1): n in [0..20]]; // _Vincenzo Librandi_, May 25 2011
%o (PARI) a(n)=6^(3*n+1) \\ _Charles R Greathouse IV_, Jul 11 2016
%Y Cf. A013739.
%K nonn,easy
%O 0,1
%A _N. J. A. Sloane_
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