%I A051018
%S A051018 1023456789,1023456879,1023457689,1023457869,1023458679,1023458769,
%T A051018 1023465789,1023465879,1023467589,1023467859,1023468579,1023468759,
%U A051018 1023475689,1023475869,1023476589,1023476859,1023478569,1023478659
%N A051018 2-persistent numbers.
%H A051018 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               PersistentNumber.html">Link to a section of The World of Mathematics.</
               a>
%Y A051018 Sequence in context: A074205 A061604 A050278 this_sequence A020667 A154566 
               A051264
%Y A051018 Adjacent sequences: A051015 A051016 A051017 this_sequence A051019 A051020 
               A051021
%K A051018 nonn
%O A051018 1,1
%A A051018 Eric Weisstein (eric(AT)weisstein.com)