%I A136999
%S A136999 1,2,11,12,21,22,122,221,1488,11141
%N A136999 Numbers n such that n and the square of n use only the digits 1, 2, 4 
               and 8.
%C A136999 Generated with DrScheme
%H A136999 J. Wellons, <a href="http://jonathanwellons.com/shared-digits/">Tables 
               of Shared Digits</a>
%e A136999 11141^2 = 124121881
%Y A136999 Sequence in context: A038114 A007931 A136407 this_sequence A053880 A063112 
               A038113
%Y A136999 Adjacent sequences: A136996 A136997 A136998 this_sequence A137000 A137001 
               A137002
%K A136999 base,nonn
%O A136999 1,2
%A A136999 Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008