%I
%S 0,171,1680,117067,3143356,128008894,4330440582,157745434617,
%T 5576943832916,199566264190831,7105753950441404,253532970709774991,
%U 9038233928809650256
%N Number of nX7 arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without movein moveout straight through or left turns
%C Column 7 of A221755
%e Some solutions for n=3
%e ..0..2..1..1..2..2..1....0..2..0..2..0..2..1....0..2..1..1..1..1..2
%e ..1..1..0..1..0..2..1....2..0..1..1..1..2..0....1..1..0..1..0..2..0
%e ..1..1..1..1..0..1..1....1..1..1..1..1..1..1....1..2..1..1..1..1..1
%K nonn
%O 1,2
%A _R. H. Hardin_ Jan 24 2013
