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%I #4 Dec 05 2013 19:55:33
%S 1,9,81,729,6561,59049,531441,4782969,43046721,387420489,3486784401,
%T 94143178827,847288609443,7625597484987,68630377364883,
%U 617673396283947,5559060566555523,50031545098999707,450283905890997363
%N Largest power of 3 <= 10^n.
%C a(n)=3^d(n), with d(0)=0 and d(n)=A054965(n) if n>0. [_Zak Seidov_, Oct 01 2010]
%t Table[3^Floor@Log[3, 10^n],{n,0,20}] (*_Zak Seidov_, Sep 29 2010*)
%Y Cf. A067488, A074116, A074117, A175852.
%K nonn
%O 0,2
%A _Amarnath Murthy_, Aug 27 2002
%E a(0)=1 and more terms from _Zak Seidov_, Sep 29 2010