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

%I #4 Nov 22 2013 20:21:45

%S 4251717,26307585827,112198453386465,515279597419726895,

%T 2421920880450861585787,11349881293706452086231231,

%U 53109062021406984304908116217,248541205192854036679733398713923

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

%C Column 7 of A232352

%H R. H. Hardin, <a href="/A232351/b232351.txt">Table of n, a(n) for n = 1..13</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 22 2013