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%I #6 Dec 18 2015 18:17:59
%S 1,4,230,91518,137375464,780158903978
%N Number of n X n 0..4 arrays with no element equal to another within two positions in the same row or column, and new values 0..4 introduced in row major order
%C Diagonal of A206359
%e Some solutions for n=4
%e ..0..1..2..0....0..1..2..3....0..1..2..0....0..1..2..0....0..1..2..3
%e ..1..0..3..1....2..0..1..4....1..2..0..3....2..0..3..1....1..3..4..0
%e ..4..2..0..3....3..4..0..2....4..3..1..2....4..3..1..4....3..2..0..4
%e ..2..1..4..0....0..1..3..0....2..4..3..0....0..4..2..0....0..4..1..2
%K nonn
%O 1,2
%A _R. H. Hardin_ Feb 06 2012