Search: id:A053886
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%I A053886
%S A053886 1,9,11,91,109,359,3359,15109,33359,333359,3333359,14903989,15127091,
%T A053886 28497739,33333359,90450109,333333359,3333333359,33333333359,
%U A053886 46023126591,333333333359,1697404542909,3333333333359,33333333333359
%N A053886 Numbers n such that n^2 contains only digits {1,2,8}.
%H A053886 P. De Geest, <a href="http://www.worldofnumbers.com/threedigits.htm">
               Squares containing at most three distinct digits, Index entries for 
               related sequences</a>
%H A053886 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>
               )
%Y A053886 Cf. A053887.
%Y A053886 Sequence in context: A108687 A038301 A137016 this_sequence A137020 A058304 
               A027727
%Y A053886 Adjacent sequences: A053883 A053884 A053885 this_sequence A053887 A053888 
               A053889
%K A053886 nonn,base
%O A053886 1,2
%A A053886 Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.
%E A053886 More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 03 2005
%E A053886 Three more terms from Jon E. Schoenfield (jonscho(AT)hiwaay.net), Sep 
               03 2006

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