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%I #4 Jan 11 2015 11:33:33
%S 2992,23096,164120,1135439,8385264,60838168,447022128,3260897684,
%T 23933092377,175157529922,1285172525906,9417586233972,69080720488227,
%U 506445689265095,3714389996410083,27235730764751289,199739317597923299
%N Number of (n+2)X(2+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally and vertically
%C Column 2 of A253764
%H R. H. Hardin, <a href="/A253758/b253758.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..0..0..1..1....0..1..1..0....0..1..0..1....0..1..1..0....0..0..0..1
%e ..0..0..1..0....1..0..0..1....1..0..1..0....0..1..0..0....0..0..0..1
%e ..1..1..0..0....0..1..0..0....1..0..0..1....1..0..1..0....0..0..0..1
%e ..1..1..0..1....1..0..0..1....1..0..1..0....1..1..0..1....1..0..1..1
%e ..1..1..1..1....1..0..1..1....1..0..0..1....0..0..0..1....0..1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 11 2015