%I A053894
%S A053894 1,9,109,3652141
%N A053894 Numbers n such that n^2 contains only digits {1,3,8}.
%H A053894 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 A053894 Cf. A053895.
%Y A053894 Sequence in context: A128876 A105974 A053912 this_sequence A053904 A058607 
               A082723
%Y A053894 Adjacent sequences: A053891 A053892 A053893 this_sequence A053895 A053896 
               A053897
%K A053894 nonn,base,more
%O A053894 1,2
%A A053894 Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.