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Number of (5+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally
1

%I #6 Feb 10 2015 07:52:48

%S 123448,279743,642050,1704423,3486340,8213023,18851978,39885980,

%T 88807962,188663823,363746046,694144469,1276646676,2283974672,

%U 4049460972,7107577621,12343610434,21428240289,37208805784,64771809982,113539444616

%N Number of (5+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Row 5 of A254020

%H R. H. Hardin, <a href="/A254024/b254024.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 22 2015