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Number of (5+1)X(n+1) 0..2 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors
1

%I #4 Mar 11 2014 19:56:07

%S 264,29380,1876940,127574544,9704723126,733415243746,54936152600716,

%T 4111287727512886,307924773739171154,23065243594034127466,

%U 1727630571037935858864,129403091862274483062610

%N Number of (5+1)X(n+1) 0..2 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors

%C Row 5 of A239178

%H R. H. Hardin, <a href="/A239183/b239183.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

%e ..0..2..2....2..2..1....2..2..0....2..2..0....1..1..0....2..2..0....2..2..2

%e ..1..1..1....1..1..0....0..1..1....1..1..1....0..2..2....0..1..1....0..0..0

%e ..0..2..2....0..2..2....1..2..2....0..1..1....1..1..0....1..1..1....1..1..1

%e ..0..0..0....1..2..2....1..1..1....1..2..2....1..1..1....2..2..2....0..0..0

%e ..2..2..2....1..1..0....2..2..2....2..2..2....2..2..2....1..1..1....0..2..2

%e ..0..1..1....2..2..1....0..0..0....0..1..1....1..1..1....2..2..0....1..1..0

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 11 2014