%I #5 Aug 12 2016 06:53:59
%S 9,1197,289569,89795439,31745527110,12172238304649,4933087019739769,
%T 2081685772185809403
%N Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its north or northeast neighbor modulo 5 and the upper left element equal to 0.
%C Row 5 of A266599.
%e Some solutions for n=2
%e ..0..0....0..1....0..3....0..3....0..0....0..2....0..3....0..1....0..4....0..1
%e ..2..4....3..0....3..2....0..3....4..2....0..1....3..1....3..3....4..3....3..3
%e ..1..3....2..4....1..0....2..1....1..4....3..4....0..4....2..2....1..3....2..1
%e ..3..2....2..4....4..4....4..4....1..3....3..2....2..2....0..4....0..2....0..4
%e ..1..4....1..3....2..1....1..2....3..2....1..4....1..4....4..1....2..1....2..4
%Y Cf. A266599.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 01 2016