%I A058453
%S A058453 3,8819172285373497
%N A058453 Numbers n such that n^2 contains only digits {0,7,9}, not ending with 
               zero.
%H A058453 P. De Geest, <a href="http://www.worldofnumbers.com/threedigits.htm">
               Index to related sequences</a>
%H A058453 Hisanori Mishima, <a href="http://www.asahi-net.or.jp/~KC2H-MSM/mathland/
               math02/math0210.htm#079">Sporadic tridigital solutions</a>
%Y A058453 Cf. A058454.
%Y A058453 Sequence in context: A154998 A036236 A058447 this_sequence A058471 A068740 
               A058473
%Y A058453 Adjacent sequences: A058450 A058451 A058452 this_sequence A058454 A058455 
               A058456
%K A058453 nonn,base,hard,more,bref
%O A058453 1,1
%A A058453 Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 2000.