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%I #5 Dec 18 2015 18:18:26
%S 0,4,50,34751,48514602,1224264741193,144288378372479004
%N Number of n X n arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without consecutive moves in the same direction
%C Diagonal of A221483
%e Some solutions for n=3
%e ..0..2..0....0..2..1....0..3..0....0..2..1....1..2..0....0..3..0....0..3..1
%e ..1..2..2....1..1..1....2..1..1....1..2..1....1..1..1....1..1..2....1..0..1
%e ..0..2..0....0..3..0....0..2..0....0..2..0....0..3..0....0..2..0....0..3..0
%K nonn
%O 1,2
%A _R. H. Hardin_ Jan 17 2013