%I #4 Jan 30 2015 10:41:59
%S 876277,189197280,27127649888,5319044439319,894001153490556,
%T 164418838931876650,29011762459538515234,5247595940683112951878,
%U 938963349063508187379376,169141748781750276644640886
%N Number of (7+1)X(n+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally
%C Row 7 of A254422
%H R. H. Hardin, <a href="/A254428/b254428.txt">Table of n, a(n) for n = 1..162</a>
%e Some solutions for n=1
%e ..0..1....1..2....1..1....1..1....1..2....2..2....0..2....1..1....0..2....1..1
%e ..0..0....0..1....0..0....0..1....0..1....0..0....0..0....0..0....0..0....0..0
%e ..1..0....1..0....1..1....2..2....0..0....0..0....1..0....2..2....2..0....2..2
%e ..2..2....2..2....0..1....2..2....1..1....1..1....1..1....2..1....2..0....2..0
%e ..0..1....2..2....0..1....2..2....2..2....0..1....1..0....2..0....2..1....2..1
%e ..0..1....2..0....2..2....1..1....2..2....0..1....2..2....2..2....2..2....2..2
%e ..2..2....2..1....1..0....1..0....0..0....1..1....2..0....2..2....2..2....2..2
%e ..1..2....1..1....0..1....0..2....0..0....2..2....0..2....0..1....0..2....0..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 30 2015