%I A006983 M4482
%S A006983 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,8,12,26,160,441,1152
%N A006983 Number of simple perfect squared squares of order n.
%C A006983 The order of a squared rectangle is the number of squares into which 
               it is divided.
%C A006983 The term 1152 was found by Jasper Skinner by exhaustive search of all 
               squares of order 27. They can be viewed at the Anderson link.
%D A006983 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A006983 C. J. Bouwkamp and A. J. W. Duijvestijn, Catalogue of Simple Perfect 
               Squared Squares of Orders 21 Through 25. Eindhoven Univ. Technology, 
               Dept. of Math., Report 92-WSK-03, Nov. 1992.
%D A006983 C. J. Bouwkamp and A. J. W. Duijvestijn, Album of Simple Perfect Squared 
               Squares of order 26, Eindhoven University of Technology, Faculty 
               of Mathematics and Computing Science, EUT Report 94-WSK-02, December 
               1994.
%D A006983 A. J. W. Duijvestijn, J. Comb. Theory B 59 (1993), 26-34.
%D A006983 A. J. W. Duijvestijn, Math. Comp. 62 (1994), 325-332.
%D A006983 A. J. W. Duijvestijn, Math. Comp. 65 (1996), 1359-1364.
%D A006983 A. J. W. Duijvestijn, P. J. Federico and P. Leeuw, Compound perfect squares, 
               American Mathematical Monthly 89 (1982), 15-32. - there is no compound 
               perfect squared square of order < 24.
%D A006983 J.-P. Delahaye, Les inattendus mathematiques, pp. 95-6 Belin-Pour la 
               Science Paris 2004.
%H A006983 S. E. Anderson, <a href="http://www.squaring.net">Perfect Squared Rectangles 
               and Squared Squares</a>
%H A006983 A. J. W. Duijvestijn, <a href="http://www.squaring.net/downloads/TableI">
               Table I</a>
%H A006983 A. J. W. Duijvestijn, <a href="http://www.squaring.net/downloads/TableII">
               Table II</a>
%H A006983 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               PerfectSquareDissection.html">Link to a section of The World of Mathematics.</
               a>
%Y A006983 Cf. A002962, A002881, A002839, A014530.
%Y A006983 Sequence in context: A077566 A067677 A045523 this_sequence A072327 A161415 
               A117802
%Y A006983 Adjacent sequences: A006980 A006981 A006982 this_sequence A006984 A006985 
               A006986
%K A006983 nonn,hard,nice
%O A006983 1,22
%A A006983 N. J. A. Sloane (njas(AT)research.att.com).
%E A006983 Leading term changed from 0 to 1 Apr 15 1996.
%E A006983 More terms from Stuart. E. Anderson (stuart(AT)squaring.net), May 08 
               2003