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Number of 6Xn 0..1 arrays with no more than floor(6Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order
1

%I #4 Mar 11 2013 13:48:12

%S 32,331,4108,47139,608759,8156595,113017313,1598816887,22972342432,

%T 333917199962,4897520844502,72344220097671,1074771613715894,

%U 16041895018691314,240364215715914771,3613142948867287749

%N Number of 6Xn 0..1 arrays with no more than floor(6Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order

%C Row 6 of A223012

%H R. H. Hardin, <a href="/A223017/b223017.txt">Table of n, a(n) for n = 1..36</a>

%e Some solutions for n=3

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 11 2013