%I A058445
%S A058445 2236081408416666
%N A058445 Numbers n such that n^2 contains only digits {0,5,6}, not ending with 
               zero.
%H A058445 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/
               NonRecursions.html">Non Recursions</a>
%H A058445 P. De Geest, <a href="http://www.worldofnumbers.com/threedigits.htm">
               Index to related sequences</a>
%H A058445 Hisanori Mishima, <a href="http://www.asahi-net.or.jp/~KC2H-MSM/mathland/
               math02/math0210.htm">Sporadic tridigital solutions</a>
%Y A058445 Cf. A058446.
%Y A058445 Sequence in context: A098099 A067495 A047698 this_sequence A132910 A080126 
               A104282
%Y A058445 Adjacent sequences: A058442 A058443 A058444 this_sequence A058446 A058447 
               A058448
%K A058445 nonn,base,hard,more,bref
%O A058445 1,1
%A A058445 Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 2000.