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%I #13 May 31 2022 11:24:03
%S 1,2,11,80,780,8781,104828,1298506,16462696,212457221,2780615627,
%T 36817036777
%N Number of polyominoids containing n squares: these are 2-dimensional polyominoes in a three-dimensional grid (edge-connected squares, like the floors, ceilings and walls of a building). Mirror images are distinguished.
%D R. A. Epstein, The Theory of Gambling and Statistical Logic, 1977, Academic Press, ISBN 0-12-240760-1 (pages 362-369 discuss polyforms, including Epstein's polyominoids).
%H M. Keller, <a href="http://www.solitairelaboratory.com/polyenum.html">Counting polyforms</a>
%Y Cf. A075679, A075678, A277565.
%K nonn,nice,more
%O 1,2
%A _N. J. A. Sloane_, _James A. Sellers_, Aug 28 2000
%E Corrected and extended by _Joseph Myers_, Sep 24 2002
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