%I #4 Nov 30 2014 11:56:08
%S 65,8407,6441563,29975340928,835576868190958,140510035307275968193,
%T 142076030393678638383737655,865077266113415921594160660031079,
%U 31698615993472306460013429967595879535805
%N Number of (n+1)X(n+1) 0..2 arrays with no 2X2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements
%C Diagonal of A251158
%e Some solutions for n=2
%e ..2..0..2....1..1..2....0..1..0....0..0..1....1..1..0....0..2..1....2..0..1
%e ..1..1..0....0..0..2....0..2..1....1..2..2....2..1..0....1..0..0....2..0..2
%e ..2..1..1....2..2..1....1..0..1....1..2..0....2..1..2....1..1..0....2..0..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 30 2014
