%I A089683
%S A089683 81,6561,531441,43046721,3486784401,282429536481,22876792454961,
%T A089683 1853020188851841,150094635296999121,12157665459056928801,
%U A089683 984770902183611232881,79766443076872509863361
%N A089683 3^(4n).
%H A089683 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/
               RecursiveSequences.html">Recursive Sequences</a>
%F A089683 81^n
%F A089683 G.f.: 81*x/(1-81*x). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), 
               Nov 25 2008]
%Y A089683 Cf. A000244, A001019, A009971.
%Y A089683 Sequence in context: A060349 A036354 A016948 this_sequence A099372 A036515 
               A046172
%Y A089683 Adjacent sequences: A089680 A089681 A089682 this_sequence A089684 A089685 
               A089686
%K A089683 nonn
%O A089683 1,1
%A A089683 Douglas Winston (douglas.winston(AT)srupc.com), Jan 05 2004