%I A049021
%S A049021 1,1,2,7,23,116,683,4866
%N A049021 Number of topologically distinct dissections of rectangles into rectangles.
%D A049021 W. J. Mitchell, J. P Steadman and R. S Liggett, Synthesis and optimization 
               of small rectangular floor plans, Environment and Planning B, 1976 
               vol. 3.
%D A049021 E. J. Sauda, Dissection generating algorithm (University of Louisiana), 
               1976.
%D A049021 J. P. Steadman, Architectural Morphology, Pion Limited, London 1983, 
               ISBN 0 85086 08605.
%Y A049021 Sequence in context: A038119 A006986 A000903 this_sequence A002494 A032264 
               A139522
%Y A049021 Adjacent sequences: A049018 A049019 A049020 this_sequence A049022 A049023 
               A049024
%K A049021 nonn,nice
%O A049021 0,3
%A A049021 Stuart E Anderson (stuart(AT)squaring.net)