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%I #3 Jan 11 2013 21:05:26
%S 0,7,370,12296,364868,10612940,304064432,8672312531,246687608692,
%T 7009800248655,199081627533706,5652690459992416,160483388497482942,
%U 4555988975443640203
%N Number of 3Xn arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, without 2-loops
%C Row 3 of A221351
%e Some solutions for n=3
%e ..0..3..0....0..3..0....0..0..0....0..1..0....0..2..0....0..0..0....1..3..0
%e ..2..1..1....2..1..0....2..5..1....1..3..1....2..2..0....1..3..2....1..3..1
%e ..0..2..0....0..2..1....0..1..0....0..2..1....1..2..0....0..3..0....0..0..0
%K nonn
%O 1,2
%A _R. H. Hardin_ Jan 11 2013
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