%I A020340
%S A020340 36,4,378225,7056,14393520729,16,9,557904400,1322314049613223140496,36,
%T A020340 613401598811409576100,321418490709904,837225,16,
%U A020340 7535664872989640713426833504575377836025,36,16900,100,7112889
%N A020340 Least square base n doublet (written in base 10).
%D A020340 David Wells, "The Penguin Dictionary of Curious and Interesting Numbers", 
               Revised Edition 1997, p. 189.
%H A020340 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 A020340 Cf. A020339, A054214, A054215, A054216, A030465, A030466, A030467.
%Y A020340 Sequence in context: A037935 A159824 A100252 this_sequence A097488 A109256 
               A066583
%Y A020340 Adjacent sequences: A020337 A020338 A020339 this_sequence A020341 A020342 
               A020343
%K A020340 base,nonn
%O A020340 2,1
%A A020340 David W. Wilson (davidwwilson(AT)comcast.net)