%I A136867
%S A136867 0,1,9,10,90,99,100,109,141,441,900,901,990,999,1000,1009,1049,1090,1191,
               1410,4410,9000,9001,9010,
%T A136867 9049,9900,9990,9999,10000,10009,10090,10099,10401,10441,10488,10490,10900,
               11910,14100,44100,90000,
%U A136867 90001,90010,90100,90490,90498,99000,99001,99900,99990,99999,100000,100009,
               100090,100099,100491
%N A136867 Numbers n such that n and the square of n use only the digits 0, 1, 4, 
               8 and 9.
%C A136867 Generated with DrScheme
%H A136867 Jonathan Wellons, <a href="b136867.txt">Table of n, a(n) for n=1..1132</
               a>
%H A136867 J. Wellons, <a href="http://jonathanwellons.com/shared-digits/">Tables 
               of Shared Digits</a>
%e A136867 91919010109^2 = 8449104419418444191881
%Y A136867 Sequence in context: A041039 A041176 A119072 this_sequence A136879 A136880 
               A136874
%Y A136867 Adjacent sequences: A136864 A136865 A136866 this_sequence A136868 A136869 
               A136870
%K A136867 base,nonn
%O A136867 1,3
%A A136867 Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008