%I A004167
%S A004167 1,3,9,72,18,342,927,7812,1656,38691,94095,741771,144135,
%T A004167 3234951,9692874,70984341,12764034,361041921,984024783,
%U A004167 7641622611,1044876843,30235306401,90695018313,72887134149
%N A004167 Powers of 3 written backwards.
%e A004167 a(5) = 342 since 3^5 = 243.
%Y A004167 Sequence in context: A119751 A084543 A018564 this_sequence A163632 A102322 
               A018576
%Y A004167 Adjacent sequences: A004164 A004165 A004166 this_sequence A004168 A004169 
               A004170
%K A004167 nonn,base
%O A004167 0,2
%A A004167 N. J. A. Sloane (njas(AT)research.att.com).