%I A053911
%S A053911 1,9,16,169,196,961,69169,69696,9696996,16966161,611919169,6661661161,
%T A053911 696199996996,1911961611169,99191919116196,116116119966961,
%U A053911 116696699999166169,699666116199699961,996111661161199969
%N A053911 Squares composed of digits {1,6,9}.
%H A053911 P. De Geest, <a href="http://www.worldofnumbers.com/threedigits.htm">
               Squares containing at most three distinct digits, Index entries for 
               related sequences</a>
%Y A053911 Cf. A053910.
%Y A053911 Sequence in context: A138238 A075373 A072470 this_sequence A050802 A136313 
               A103707
%Y A053911 Adjacent sequences: A053908 A053909 A053910 this_sequence A053912 A053913 
               A053914
%K A053911 nonn,base
%O A053911 1,2
%A A053911 Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.