%I #5 Apr 20 2015 13:49:18
%S 220,2116,17056,101124,482560,2433600,12278736,62948356,314007680,
%T 1594085476,8000673008,40717589796,204018474192,1037122265664,
%U 5200337912080,26444894851600,132569860224000,674054417903364
%N Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum or central row sum less than the central column sum
%C Diagonal of A257361
%H R. H. Hardin, <a href="/A257353/b257353.txt">Table of n, a(n) for n = 1..25</a>
%e Some solutions for n=4
%e ..0..0..0..0..0..0....0..1..0..0..0..1....0..0..0..0..0..0....0..1..0..0..1..1
%e ..1..0..0..1..0..1....1..1..1..0..0..1....1..0..1..0..0..1....1..0..0..1..1..1
%e ..1..1..0..0..1..1....1..1..0..1..1..0....1..1..0..0..1..1....0..0..1..1..1..1
%e ..0..1..1..0..0..1....0..0..1..1..1..0....1..0..0..1..1..0....1..1..1..1..0..0
%e ..1..0..1..1..0..0....0..0..1..1..0..1....1..0..1..1..0..0....1..1..1..0..0..1
%e ..1..0..0..1..1..1....0..1..0..0..1..0....1..0..1..0..0..0....1..1..0..0..1..0
%Y Cf. A257361
%K nonn
%O 1,1
%A _R. H. Hardin_, Apr 20 2015
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