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Number of nX7 arrays of occupancy after each element moves to some horizontal or vertical neighbor
0

%I #3 Sep 29 2012 06:57:26

%S 32,142129,402494400,1117092569476,3080781263731464,

%T 8491624540729737796,23397344246732649325860

%N Number of nX7 arrays of occupancy after each element moves to some horizontal or vertical neighbor

%C Column 7 of A217273

%e Some solutions for n=3

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

%e ..0..0..1..1..1..0..0....0..0..1..1..0..0..3....0..0..1..1..0..0..1

%e ..2..2..1..2..1..2..1....2..2..2..2..1..1..1....1..2..3..3..2..1..1

%K nonn

%O 1,1

%A _R. H. Hardin_ Sep 29 2012