Search: id:A136865
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%I A136865
%S A136865 0,1,7,10,70,97,100,107,700,701,970,997,1000,1007,1049,1070,1071,7000,
               7001,7010,7071,9700,9701,9970,
%T A136865 9997,10000,10007,10070,10097,10490,10700,10710,14107,70000,70001,70010,
               70100,70107,70499,70710,
%U A136865 97000,97001,97010,99700,99970,99997,100000,100007,100070,100097,100499,
               100700,100970,104900,107000
%N A136865 Numbers n such that n and the square of n use only the digits 0, 1, 4, 
               7 and 9.
%C A136865 Generated with DrScheme
%H A136865 Jonathan Wellons, <a href="b136865.txt">Table of n, a(n) for n=1..1020</
               a>
%H A136865 J. Wellons, <a href="http://jonathanwellons.com/shared-digits/">Tables 
               of Shared Digits</a>
%e A136865 4140170401071^2 = 17141010949904404997947041
%Y A136865 Sequence in context: A038276 A097187 A115904 this_sequence A123797 A123805 
               A124200
%Y A136865 Adjacent sequences: A136862 A136863 A136864 this_sequence A136866 A136867 
               A136868
%K A136865 base,nonn
%O A136865 1,3
%A A136865 Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008

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