%I A013790
%S A013790 9,59049,387420489,2541865828329,16677181699666569,109418989131512359209,
%T A013790 717897987691852588770249,4710128697246244834921603689,
%U A013790 30903154382632612361920641803529,202755595904452569706561330872953769
%N A013790 9^(4n+1).
%H A013790 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/
               RecursiveSequences.html">Recursive Sequences</a>
%F A013790 a(n)=6561*a(n-1), n>0 ; a(0)=9 . G.f.: 9/(1-6561*x). a(n)=A013791(n)/
               81. [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Dec 07 2008]
%Y A013790 Sequence in context: A053921 A159398 A053971 this_sequence A058452 A058456 
               A014381
%Y A013790 Adjacent sequences: A013787 A013788 A013789 this_sequence A013791 A013792 
               A013793
%K A013790 nonn
%O A013790 0,1
%A A013790 N. J. A. Sloane (njas(AT)research.att.com).