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%I #5 Apr 27 2023 14:55:48
%S 0,8,24,173,744,4131,19998,104035,520922,2661269,13452654,68382023,
%T 346582048,1759291193,8923150696,45277608445
%N Number of n X 5 arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without 2-loops or left turns.
%C Column 5 of A221787.
%e Some solutions for n=3
%e ..0..1..1..1..1....0..2..2..1..1....0..2..2..2..1....0..2..2..1..1
%e ..0..2..2..2..0....0..1..0..1..0....0..1..2..1..0....0..2..0..1..0
%e ..0..1..2..2..0....1..2..2..2..0....0..1..1..2..0....1..1..2..2..0
%Y Cf. A221787.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jan 25 2013