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%I #4 Jan 03 2015 07:53:47
%S 876277,2544290,2419612,2475610,3429207,5591131,10168992,21354009,
%T 51569897,137921376,391536224,1145589321,3399373692,10150512690,
%U 30391595567,91100083209,273208024363,819511203340,2458396582146
%N Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock diagonal minimum minus antidiagonal minimum nondecreasing horizontally and diagonal maximum minus antidiagonal maximum nondecreasing vertically
%C Column 7 of A253524
%H R. H. Hardin, <a href="/A253523/b253523.txt">Table of n, a(n) for n = 1..156</a>
%F Empirical: a(n) = 9*a(n-1) -33*a(n-2) +65*a(n-3) -75*a(n-4) +51*a(n-5) -19*a(n-6) +3*a(n-7) for n>15
%e Some solutions for n=1
%e ..0..0..0..0..0..0..0..0....0..0..0..1..2..0..2..2....0..0..0..0..0..0..0..0
%e ..0..1..2..2..1..1..2..0....2..1..0..0..0..0..2..2....2..2..2..0..2..2..0..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 03 2015