The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A018835 Minimal number of smaller integer-sided squares that tile an n X n square. 4
 4, 6, 4, 8, 4, 9, 4, 6, 4, 11, 4, 11, 4, 6, 4, 12, 4, 13, 4, 6, 4, 13, 4, 8, 4, 6, 4, 14, 4, 15, 4, 6, 4, 8, 4, 15, 4, 6, 4, 15, 4, 16, 4, 6, 4, 16, 4, 9, 4, 6, 4, 16, 4, 8, 4, 6, 4, 17, 4, 17, 4, 6, 4, 8, 4 (list; graph; refs; listen; history; text; internal format)
 OFFSET 2,1 COMMENTS Sascha Kurz has found a(n) for n <= 104, and up to this point he observes that a(n) is given by a(n) = min{ a(p) | p prime, p divides n } (cf. A211302). - N. J. A. Sloane, Apr 07 2012 LINKS Ed Wynn, Table of n, a(n) for n = 2..126 Sascha Kurz, Squaring the square with integer linear programming, Journal of Information Processing, Vol. 20, Nr. 3 (2012), Pages 680-685; arXiv:1401.6387 [math.OC], 2014. Ed Wynn, Exhaustive generation of Mrs Perkins's quilt square dissections for low orders, arXiv:1308.5420 [math.CO], 2013. CROSSREFS Cf. A211302. Sequence in context: A344475 A245556 A256318 * A055166 A202243 A130762 Adjacent sequences: A018832 A018833 A018834 * A018836 A018837 A018838 KEYWORD nonn AUTHOR David W. Wilson EXTENSIONS Extended by David W. Wilson, using values from A211302 b-file from Wynn, 2013, added by N. J. A. Sloane, Nov 29 2013 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified May 19 14:45 EDT 2024. Contains 372698 sequences. (Running on oeis4.)