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%I #18 Feb 07 2014 04:08:00
%S 1,0,0,1,0,4,8,36,105,384,1340,4975,17676,69052,270716,1093218,
%T 4455047,18246018
%N Number of ways to dissect a square into n squares.
%H Ed Wynn, <a href="http://arxiv.org/abs/1308.5420">Exhaustive generation of Mrs Perkins's quilt square dissections for low orders</a>, arXiv:1308.5420
%e For n = 6 there are a(6) = 4 ways:
%e +-+-+-+ +-+-+-+ +-+---+ +---+-+
%e | | | | | | | | | | | | | |
%e +-+-+-+ +-+-+-+ +-+ | | +-+
%e | | | | | | | | | | | |
%e +-+ | | +-+ +-+-+-+ +-+-+-+
%e | | | | | | | | | | | | | |
%e +-+---+ +---+-+ +-+-+-+ +-+-+-+
%Y Cf. A221841.
%K nonn,more
%O 1,6
%A _Geoffrey H. Morley_, Jan 26 2013
%E a(10) corrected (thanks to _Ed Wynn_) by _Geoffrey H. Morley_, Aug 02 2013
%E More terms from Wynn, 2013. - _N. J. A. Sloane_, Nov 29 2013
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