A100664 - OEIS

%I #19 Oct 31 2014 17:03:26

%S 1,1,2,6,16,50,177,664,2532,9785

%N Number of inequivalent ways to dissect a square into n rectangles of equal perimeter.

%C Dissections differing only by rotations and/or reflections are not counted as distinct. - _N. J. A. Sloane_, Dec 06 2012

%H Johan Nilsson, <a href="/A100664/a100664.pdf">Illustrations of terms up to a(6).</a>

%e There are six ways to dissect a square into four rectangles of equal perimeter, so a(4)=6.

%Y Cf. A108066.

%K hard,more,nonn

%O 1,3

%A _Herman Beeksma_ and Hans Riesebos (hans.riesebos(AT)wanadoo.nl), Aug 04 2005