%I A137064
%S A137064 1,881,88776,7866881
%N A137064 Numbers n such that n and the square of n use only the digits 1, 6, 7 
               and 8.
%C A137064 Generated with DrScheme
%H A137064 J. Wellons, <a href="http://jonathanwellons.com/shared-digits/">Tables 
               of Shared Digits</a>
%e A137064 7866881^2 = 61887816668161
%Y A137064 Sequence in context: A024393 A006052 A105976 this_sequence A092675 A135127 
               A035758
%Y A137064 Adjacent sequences: A137061 A137062 A137063 this_sequence A137065 A137066 
               A137067
%K A137064 base,nonn
%O A137064 1,2
%A A137064 Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008