%I A058459
%S A058459 2,88,88002411582,47146022358675418
%N A058459 Numbers n such that n^2 contains only digits {2,4,7}.
%H A058459 P. De Geest, <a href="http://www.worldofnumbers.com/threedigits.htm">
               Index to related sequences</a>
%H A058459 Hisanori Mishima, <a href="http://www.asahi-net.or.jp/~KC2H-MSM/mathland/
               math02/math0210.htm#247">Sporadic tridigital solutions</a>
%Y A058459 Cf. A058460.
%Y A058459 Sequence in context: A053950 A012728 A012733 this_sequence A105268 A139881 
               A161676
%Y A058459 Adjacent sequences: A058456 A058457 A058458 this_sequence A058460 A058461 
               A058462
%K A058459 nonn,base,hard,more
%O A058459 1,1
%A A058459 Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 2000.