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A187727 Number of (n+1)X8 binary arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors 1

%I

%S 10558,186672,3588249,76931991,1628541369,35118814718,755272970945,

%T 16272953514081,350521453843471,7551605957045594,162681410006587121,

%U 3504701107120896836,75502389868040885049,1626562602643478820132

%N Number of (n+1)X8 binary arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors

%C Column 7 of A187729

%H R. H. Hardin, <a href="/A187727/b187727.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for 3X8

%e ..1..1..0..1..1..0..0..0....0..1..1..1..1..1..1..1....1..1..0..1..0..0..1..1

%e ..0..0..0..1..1..0..1..1....1..1..1..0..0..1..1..0....0..1..1..1..1..1..1..1

%e ..0..1..1..0..1..1..0..1....0..0..1..1..1..0..0..0....1..0..1..0..0..1..0..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 13 2011

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Last modified April 8 02:27 EDT 2020. Contains 333312 sequences. (Running on oeis4.)