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%I #5 Jan 02 2015 20:02:23
%S 132,472,1332,3400,7948,17888,38564,82200,171236,356736,732740,
%T 1511840,3087196,6341584,12914820,26464792,53815684,110096960,
%U 223649540,456951728,927483412,1892890832,3839327172,7827922160,15867349668
%N Number of (n+2)X(n+2) 0..1 arrays with every 2X2 and 3X3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally and vertically
%C Diagonal of A253510
%H R. H. Hardin, <a href="/A253502/b253502.txt">Table of n, a(n) for n = 1..68</a>
%e Some solutions for n=4
%e ..0..1..1..1..1..0....1..1..1..1..1..1....0..1..1..0..0..0....1..1..1..1..1..1
%e ..1..1..1..1..0..0....1..1..1..1..0..1....1..1..1..1..1..1....1..1..1..1..1..1
%e ..1..1..1..1..0..1....1..1..0..1..0..1....1..0..0..0..0..0....1..1..1..1..1..0
%e ..1..1..1..1..0..1....0..1..0..1..0..1....1..1..1..1..1..1....1..1..1..1..0..0
%e ..1..1..1..1..0..1....0..1..0..1..0..1....0..0..0..0..0..0....1..1..1..1..1..1
%e ..1..0..0..1..0..1....0..1..0..1..0..1....1..1..1..1..1..1....1..0..0..0..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 02 2015
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