%I A058460
%S A058460 4,7744,7744424444247727742724,2222747424244722424422447477474724
%N A058460 Squares composed of digits {2,4,7}.
%H A058460 P. De Geest, <a href="http://www.worldofnumbers.com/threedigits.htm">
               Index to related sequences</a>
%H A058460 Hisanori Mishima, <a href="http://www.asahi-net.or.jp/~KC2H-MSM/mathland/
               math02/math0210.htm#247">Sporadic tridigital solutions</a>
%Y A058460 Cf. A058459.
%Y A058460 Sequence in context: A058440 A058464 A053951 this_sequence A115050 A072724 
               A116271
%Y A058460 Adjacent sequences: A058457 A058458 A058459 this_sequence A058461 A058462 
               A058463
%K A058460 nonn,base,hard,more
%O A058460 1,1
%A A058460 Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 2000.