%I A020339
%S A020339 6,2,615,84,119973,4,3,23620,36363636364,6,24766945690,17928148,915,4,
%T A020339 86808207405692007605,6,130,10,2667,95530227420606,10623969116570,12,5,
%U A020339 343872950627253606,9,14,59239353339085,8130
%N A020339 p^2 is least square base n doublet (base n representation is juxtaposition 
               of 2 identical strings)..
%D A020339 David Wells, "The Penguin Dictionary of Curious and Interesting Numbers", 
               Revised Edition 1997, p. 189.
%H A020339 A. Ottens, <a href="http://einstein.et.tudelft.nl/~arlet/puzzles/sol.cgi/
               arithmetic/digits/squares/three.digits">The arithmetic-digits-squares-three.digits 
               problem</a>
%Y A020339 Cf. A020340, A054214, A054215, A054216, A030465, A030466, A030467.
%Y A020339 Sequence in context: A096039 A038256 A100251 this_sequence A154738 A100125 
               A153459
%Y A020339 Adjacent sequences: A020336 A020337 A020338 this_sequence A020340 A020341 
               A020342
%K A020339 base,nonn
%O A020339 2,1
%A A020339 David W. Wilson (davidwwilson(AT)comcast.net)