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Number of (n+1)X(7+1) 0..2 arrays with every element both >= and <= some horizontal, vertical or antidiagonal neighbor
1

%I #4 Nov 20 2013 18:55:16

%S 1270657,4955798535,16125727718291,54098452658673021,

%T 182361235082538718699,614268969565470965614819,

%U 2068734726208811311397436981,6967263753083738967913587093853

%N Number of (n+1)X(7+1) 0..2 arrays with every element both >= and <= some horizontal, vertical or antidiagonal neighbor

%C Column 7 of A232204

%H R. H. Hardin, <a href="/A232203/b232203.txt">Table of n, a(n) for n = 1..20</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 20 2013