%I A058472
%S A058472 9,98989978877879888789778997998889
%N A058472 Squares composed of digits {7,8,9}.
%H A058472 P. De Geest, <a href="http://www.worldofnumbers.com/threedigits.htm">
               Index to related sequences</a>
%H A058472 Hisanori Mishima, <a href="http://www.asahi-net.or.jp/~KC2H-MSM/mathland/
               math02/math0210.htm#789">Sporadic tridigital solutions</a>
%Y A058472 Cf. A058471.
%Y A058472 Sequence in context: A067487 A058448 A058454 this_sequence A058474 A010894 
               A002045
%Y A058472 Adjacent sequences: A058469 A058470 A058471 this_sequence A058473 A058474 
               A058475
%K A058472 nonn,base,hard,more,bref
%O A058472 1,1
%A A058472 Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 2000.