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 A217149 Largest possible side length for a perfect squared square of order n; or 0 if no such square exists. 10
 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 112, 192, 332, 479, 661, 825, 1179, 1544, 2134, 2710, 3641, 4988, 6391, 8430, 11216, 15039, 20242 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,21 COMMENTS A squared rectangle (which may be a square) is a rectangle dissected into a finite number, two or more, of squares. If no two of these squares have the same size the squared rectangle is perfect. The order of a squared rectangle is the number of constituent squares. By convention the sides of the subsquares are integers with no common factor. A squared rectangle is simple if it does not contain a smaller squared rectangle. Every perfect square with the largest known side length for each order up to 37 is simple. LINKS Table of n, a(n) for n=1..37. S. E. Anderson, Perfect Squared Rectangles and Squared Squares. Stuart Anderson, 'Special' Perfect Squared Squares", accessed 2014. - N. J. A. Sloane, Mar 30 2014 Ed Pegg Jr., Advances in Squared Squares, Wolfram Community Bulletin, Jul 23 2020 Eric Weisstein's World of Mathematics, Perfect Square Dissection CROSSREFS Cf. A006983, A089047, A129947, A181735, A217148, A217156. Sequence in context: A061281 A336329 A349206 * A119684 A235887 A296579 Adjacent sequences: A217146 A217147 A217148 * A217150 A217151 A217152 KEYWORD nonn,hard,more AUTHOR Geoffrey H. Morley, Sep 27 2012 EXTENSIONS a(29) from Stuart E Anderson added by Geoffrey H. Morley, Nov 23 2012 a(30), a(31), a(32) from Lorenz Milla and Stuart E Anderson, added by Stuart E Anderson, Oct 05 2013 For additional terms see the Ed Pegg link, also A006983. - N. J. A. Sloane, Jul 29 2020 a(33) to a(37) from J. B. Williams added by Stuart E Anderson, Oct 27 2020 STATUS approved

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Last modified August 10 05:56 EDT 2024. Contains 375044 sequences. (Running on oeis4.)