%I A053887
%S A053887 1,81,121,8281,11881,128881,11282881,228281881,1112822881,111128222881,
%T A053887 11111282222881,222128888112121,228828882122281,812121128112121,
%U A053887 1111112822222881,8181222218111881,111111128222222881
%N A053887 Squares composed of digits {1,2,8}.
%H A053887 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 A053887 Cf. A053886.
%Y A053887 Sequence in context: A120457 A129151 A039546 this_sequence A119943 A001245 
               A046317
%Y A053887 Adjacent sequences: A053884 A053885 A053886 this_sequence A053888 A053889 
               A053890
%K A053887 nonn,base
%O A053887 1,2
%A A053887 Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.