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Number of (7+1)X(n+1) 0..2 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors
0

%I #3 Mar 11 2014 19:57:14

%S 1968,1321986,381984614,119751372066,44086966064930,16126266923705212,

%T 5817146886160257060,2095254565928697307720,755629982088203538445028,

%U 272567770522954354280836610

%N Number of (7+1)X(n+1) 0..2 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors

%C Row 7 of A239178

%e Some solutions for n=1

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

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 11 2014