%I A053903
%S A053903 1,16,1156,6561,111556,556516,6661561,11115556,165611161,1111155556,
%T A053903 1566655561,6661661161,111111555556,1551155666116,1561665111556,
%U A053903 11111115555556,156166661115556,1111111155555556,111111111555555556
%N A053903 Squares composed of digits {1,5,6}.
%H A053903 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 A053903 Cf. A053902.
%Y A053903 Sequence in context: A162008 A029701 A144915 this_sequence A102807 A160131 
               A064346
%Y A053903 Adjacent sequences: A053900 A053901 A053902 this_sequence A053904 A053905 
               A053906
%K A053903 nonn,base
%O A053903 1,2
%A A053903 Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.