%I #4 Jan 31 2015 07:45:37
%S 512,11293,211579,2539310,24234594,205535751,1553637600,8600345305,
%T 55445966383,490042680771,2850234052306,20174333834904
%N Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally and vertically
%C Diagonal of A254483
%e Some solutions for n=2
%e ..0..0..1..0....0..1..0..0....0..1..0..0....0..0..1..0....0..0..0..0
%e ..1..1..1..0....1..0..0..1....0..0..0..1....1..1..1..0....0..0..0..1
%e ..1..0..0..1....1..0..1..0....0..0..0..0....1..1..1..1....1..0..0..0
%e ..0..1..1..1....0..0..0..0....1..1..1..1....0..1..1..1....1..1..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 31 2015