%I #5 Dec 18 2015 18:17:56
%S 3,52,8460,14394092,231197740500
%N Number of n X n 0..2 arrays with no row or column sum equal to the previous
%C Column 2 of A202651
%e Some solutions for n=3
%e ..0..2..1....0..2..1....2..2..1....1..0..0....0..2..0....0..0..1....0..0..0
%e ..1..2..1....2..1..1....0..2..0....2..2..2....2..2..0....2..2..0....1..2..1
%e ..1..2..0....1..1..0....1..1..2....1..0..1....0..1..0....2..1..0....2..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Dec 22 2011