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%I #5 Mar 31 2012 12:36:05
%S 33554432,543,1566,19248,101080,169400,191232,195916,208164,276500,
%T 377228,507968,706340,941664,1426564,2524632,4240088,6843276,10455616
%N Number of (n+4)X(n+4) binary arrays with every 5X5 subblock commuting with each horizontal and vertical neighbor 5X5 subblock
%C Diagonal of A186609
%e Some solutions for 6X6
%e ..0..0..0..1..1..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..1..0..0..1
%e ..0..0..0..1..1..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..1
%e ..0..0..0..0..0..0....0..0..0..0..0..1....1..0..0..0..0..0....0..0..0..0..0..0
%e ..0..0..0..0..0..0....1..0..0..0..0..0....1..0..0..0..0..0....0..0..0..0..0..1
%e ..0..0..0..0..0..0....0..0..0..0..0..0....1..0..0..0..0..0....0..0..0..0..0..0
%e ..0..0..0..0..0..0....0..0..0..0..0..0....1..0..0..0..0..0....0..0..0..0..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 24 2011
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