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%I #4 Jan 14 2015 07:04:57
%S 2201616,7125170,19727216,64664493,232090516,681245242,1124641848,
%T 2291068882,6153419870,17431190894,49973500334,132892076022,
%U 373427021268,1052015397559,3106587640168,8754985398611,24439371115678,67329937821441
%N Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally and vertically
%C Column 7 of A253820
%H R. H. Hardin, <a href="/A253819/b253819.txt">Table of n, a(n) for n = 1..68</a>
%e Some solutions for n=1
%e ..0..0..0..0..0..1..1..0..0....0..0..0..0..0..1..0..0..0
%e ..1..0..0..1..0..1..0..0..0....0..1..1..0..1..0..0..0..1
%e ..1..0..0..0..0..1..1..0..1....1..0..0..0..1..1..1..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 14 2015
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