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Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally and vertically
1

%I #4 Jan 17 2015 08:11:46

%S 20872192,1698464064,118920758784,8790291559808,612253982192000,

%T 43112542683771520,3019741030360821632,211665067386720117888,

%U 14806506494623373426048,1037768836282199713546368

%N Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally and vertically

%C Column 7 of A253863

%H R. H. Hardin, <a href="/A253862/b253862.txt">Table of n, a(n) for n = 1..46</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 17 2015