%I A053950
%S A053950 2,88,6888,6912,7588,68962,6674412,2749137588,7466242412
%N A053950 Numbers n such that n^2 contains only digits {4,5,7}.
%H A053950 Author?, <a href="http://blue.kakiko.com/mmrmmr/htm/eqtn06.html">Source</
               a>(<a href="http://blue.kakiko.com/mmrmmr/txt/eqtn06.txt">txt</a>
               )
%H A053950 P. De Geest, <a href="http://www.worldofnumbers.com/threedigits.htm">
               Squares containing at most three distinct digits, Index entries for 
               related sequences</a>
%Y A053950 Cf. A053951.
%Y A053950 Sequence in context: A058463 A166848 A001904 this_sequence A012728 A012733 
               A058459
%Y A053950 Adjacent sequences: A053947 A053948 A053949 this_sequence A053951 A053952 
               A053953
%K A053950 nonn,base,more
%O A053950 1,1
%A A053950 Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.
%E A053950 More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005