%I #5 Apr 25 2023 14:29:02
%S 0,292,41618,4755445,570066685,68573607669,8233561918895,
%T 988927665068644,118765199887208210
%N Number of 5 X n arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, without 2-loops or left turns.
%C Row 5 of A221828.
%e Some solutions for n=3
%e ..1..1..1....1..1..1....1..2..1....0..1..1....0..2..0....0..1..1....1..1..0
%e ..1..0..1....0..2..2....0..1..0....0..1..2....2..2..1....0..1..2....1..3..0
%e ..1..2..1....1..1..1....1..2..0....1..1..1....1..0..0....0..2..2....0..1..0
%e ..2..1..1....0..3..1....1..2..2....2..0..2....0..3..2....1..1..2....0..3..1
%e ..0..2..0....0..1..0....0..2..0....1..1..1....0..2..0....0..1..1....1..3..0
%Y Cf. A221828.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jan 26 2013