Search: id:A129947
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%I A129947
%S A129947 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,112,110,110,120,147,212,180
%N A129947 Smallest possible side length for simple perfect squared square of order 
               n; or 0 if no such a square exists.
%C A129947 Skinner (1993) gives the smallest possible side length (and smallest 
               order for each) as 110 (22), 112 (21), 120 (24), 139 (22), 140 (23), 
               ... for simple perfect squared squares.
%C A129947 Estimates for next few terms: a(29) <= 201, a(30) <= 255, a(31) <= 237.
%D A129947 Skinner, J. D. II. Squared Squares: Who's Who & What's What. Published 
               by the author, 1993.
%H A129947 Anderson, S., <a href="http://www.squaring.net/">Perfect Rectangles, 
               Perfect Squares</a>.
%H A129947 Eric Weisstein, Link to a section of The World of Mathematics. <a href="http:/
               /mathworld.wolfram.com/PerfectSquareDissection.html">Perfect Square 
               Dissection</a>.
%Y A129947 Cf. A006983 = number of simple perfect squared squares of order n.
%Y A129947 Sequence in context: A156407 A103849 A010032 this_sequence A096680 A109383 
               A036301
%Y A129947 Adjacent sequences: A129944 A129945 A129946 this_sequence A129948 A129949 
               A129950
%K A129947 more,nonn
%O A129947 1,21
%A A129947 Alexander Adamchuk (alex(AT)kolmogorov.com), Jun 09 2007, corrected Jun 
               11 2007

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