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Number of nX7 binary arrays without the pattern 0 0 1 1 diagonally, vertically or horizontally
1

%I #5 Mar 31 2012 12:36:14

%S 96,9216,884736,48460966,2710884810,139543984265,6787471566616,

%T 327166323321331,15463232072168424,725494470365730502,

%U 33890063050246876236,1577540791665774040985,73320840584238660162738

%N Number of nX7 binary arrays without the pattern 0 0 1 1 diagonally, vertically or horizontally

%C Column 7 of A189161

%H R. H. Hardin, <a href="/A189159/b189159.txt">Table of n, a(n) for n = 1..145</a>

%e Some solutions for 4X7

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Apr 17 2011