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Number of (n+1)X(7+1) 0..2 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with values 0..2 introduced in row major order
1

%I #6 Nov 07 2013 05:22:25

%S 264,2223,33316,503290,7795257,122696560,1965819189,31830949407,

%T 517419330480,8451367403478,138252499467645,2264841612361612,

%U 37131753429046608,609069394830308203,9993448596665727009

%N Number of (n+1)X(7+1) 0..2 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with values 0..2 introduced in row major order

%C Column 7 of A231302

%H R. H. Hardin, <a href="/A231301/b231301.txt">Table of n, a(n) for n = 1..85</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 07 2013