%I #4 Nov 30 2014 12:55:02
%S 1201970,35120036,572903455,9109822648,151628039982,2775154020785,
%T 50643184293432,884193931380840,15412403397724456,275973258608220950,
%U 4974725406199206160,88634045953384779534,1572295392290862280078
%N Number of (n+1)X(7+1) 0..3 arrays with no 2X2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements
%C Column 7 of A251167
%H R. H. Hardin, <a href="/A251166/b251166.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=1
%e ..0..0..2..0..3..0..1..1....0..0..3..3..0..1..3..3....0..0..3..0..1..3..0..1
%e ..2..0..2..0..3..0..0..1....2..2..0..3..3..1..0..0....0..0..3..2..0..3..3..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 30 2014