%I A028819
%S A028819 0,1,2,3,4,5,6,7,12,13,15,16,17,34,35,37,38,67,83,106,107,116,117,
%T A028819 167,183,334,335,337,367,383,587,667,1633,1667,3334,3335,3337,3367,
%U A028819 3383,3667,4833,6667,16667,33334,33335,33337,33367,33667,36667
%N A028819 Numbers n such that n^2 has digits in ascending order.
%H A028819 P. De Geest, <a href="http://www.worldofnumbers.com/square.htm">Palindromic 
               Squares</a>
%Y A028819 Cf. A028820.
%Y A028819 Sequence in context: A032342 A023762 A032903 this_sequence A108948 A107818 
               A039952
%Y A028819 Adjacent sequences: A028816 A028817 A028818 this_sequence A028820 A028821 
               A028822
%K A028819 nonn,base
%O A028819 1,3
%A A028819 Patrick De Geest (pdg(AT)worldofnumbers.com)