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

%I #3 Nov 23 2013 13:44:13

%S 770747,5408696699,12924602609687,45820119635323263,

%T 183153958944323007479,706140725462584654341029,

%U 2693465102291782418303130499

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

%C Row 7 of A232414

%e Some solutions for n=1

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

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 23 2013