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A207776 Number of 6Xn 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 0 vertically 1

%I

%S 21,441,972,7164,43264,195160,1246206,7381202,35627804,220514498,

%T 1274712127,6417933773,38976638418,221650017452,1149943284883,

%U 6878942092623,38712906007620,205352839927648,1212860472464769

%N Number of 6Xn 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 0 vertically

%C Row 6 of A207774

%H R. H. Hardin, <a href="/A207776/b207776.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 20 2012

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Last modified January 27 22:48 EST 2022. Contains 350654 sequences. (Running on oeis4.)