OFFSET

1,3

COMMENTS

Dissections differing only by rotations and/or reflections are not counted as distinct. - N. J. A. Sloane, Dec 06 2012

LINKS

Johan Nilsson, Illustrations of terms up to a(6).

EXAMPLE

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

CROSSREFS

KEYWORD

hard,more,nonn

AUTHOR

Herman Beeksma and Hans Riesebos (hans.riesebos(AT)wanadoo.nl), Aug 04 2005

STATUS

approved