%I A136866
%S A136866 0,1,10,100,1000,10000,10401,100000,104010,1000000,1004001,1040100,10000000,
               10040010,10401000,
%T A136866 100000000,100040001,100400100,104010000,1000000000,1000400010,1004001000,
               1040100000,10000000000,
%U A136866 10000400001,10004000100,10040010000,10401000000,100000000000,100004000010,
               100040001000,100400100000
%N A136866 Numbers n such that n and the square of n use only the digits 0, 1, 4 
               and 8.
%C A136866 Generated with DrScheme
%H A136866 Jonathan Wellons, <a href="b136866.txt">Table of n, a(n) for n=1..55</
               a>
%H A136866 J. Wellons, <a href="http://jonathanwellons.com/shared-digits/">Tables 
               of Shared Digits</a>
%e A136866 100004040010401^2 = 10000808018401884040188180801
%Y A136866 Sequence in context: A125904 A115796 A136857 this_sequence A136878 A136871 
               A135653
%Y A136866 Adjacent sequences: A136863 A136864 A136865 this_sequence A136867 A136868 
               A136869
%K A136866 base,nonn
%O A136866 1,3
%A A136866 Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008