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%I #3 Jan 02 2013 12:07:26
%S 0,0,10200,27551817,42873095694,61164981824003,82293038769560932
%N Number of 7Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without 2-loops
%C Row 7 of A221114
%e Some solutions for n=3
%e ..0..2..0....0..2..1....0..2..0....0..1..0....0..1..0....0..2..1....0..2..1
%e ..1..2..1....0..2..0....1..2..1....1..3..0....1..3..1....1..3..0....1..2..0
%e ..0..1..1....1..2..0....1..3..1....1..2..1....1..3..0....0..0..0....0..2..0
%e ..0..3..1....1..2..1....0..1..1....1..3..0....1..1..1....1..2..1....1..2..1
%e ..0..2..1....1..2..1....0..2..0....1..2..0....0..1..0....0..3..0....0..2..1
%e ..0..2..1....0..3..1....0..2..1....0..1..1....0..3..1....1..2..1....1..3..1
%e ..1..2..0....0..1..0....1..2..0....1..2..0....1..2..0....1..2..0....0..1..0
%K nonn
%O 1,3
%A _R. H. Hardin_ Jan 02 2013
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