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%I #5 Jan 31 2015 10:00:21
%S 512,29952,3912576,1018596736,615887502592,871411470160000,
%T 2791393651770044928,20834584212281010642048,
%U 359773454516444702380773120,14455392568428580152969089843072,1342532863362457191125034598691859456
%N Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally
%C Diagonal of A254491
%H R. H. Hardin, <a href="/A254484/b254484.txt">Table of n, a(n) for n = 1..12</a>
%e Some solutions for n=2
%e ..0..1..1..1....1..1..1..0....0..0..0..1....0..0..1..1....1..0..1..0
%e ..1..0..0..0....1..1..0..1....1..0..1..0....0..1..0..1....0..0..0..0
%e ..1..0..1..1....0..1..1..1....0..0..1..1....0..0..1..1....0..1..0..1
%e ..0..0..0..0....1..1..1..0....1..1..1..1....0..1..1..1....1..1..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 31 2015
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