%I #3 Jan 25 2016 10:53:35
%S 4,122,9054,1650058,525124941,262999737747,190270786192101,
%T 188077605422375047,243772201296637313108,401542086990450371906244
%N Number of 3Xn 0..n arrays with every repeated value in every row unequal to, and in every column equal to, the previous repeated value, and new values introduced in rowmajor sequential order.
%C Row 3 of A268049.
%e Some solutions for n=5
%e ..0..0..1..2..1....0..0..1..2..2....0..0..1..1..0....0..0..1..2..2
%e ..0..0..1..0..3....0..0..1..0..3....0..0..2..0..2....0..0..1..0..1
%e ..3..4..1..2..4....1..1..0..3..0....1..2..2..3..4....3..4..1..5..3
%Y Cf. A268049.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 25 2016
