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%I #5 Mar 31 2012 12:36:09
%S 31672,758077,20085335,603313744,17862966996,539993233442,
%T 16272953514081,491415809239410,14834567892263310,447914817916999238,
%U 13523383455137330541,408310937632489730609,12328003510777120406346
%N Number of (n+1)X9 binary arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors
%C Column 8 of A187729
%H R. H. Hardin, <a href="/A187728/b187728.txt">Table of n, a(n) for n = 1..84</a>
%e Some solutions for 3X9
%e ..0..1..1..0..0..0..0..0..1....1..1..0..0..1..1..0..1..0
%e ..0..1..1..0..1..0..1..1..1....0..1..0..1..1..1..1..1..0
%e ..0..0..0..0..0..0..0..0..1....0..1..1..0..1..0..1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 13 2011
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