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%I #5 Aug 12 2016 06:54:16
%S 1,2,5,15,111,1687,23522,253472,2290853,18470974,140294987,1065068657,
%T 8679331941,80007298457,822840131716,8854238260868,94125422868108,
%U 961136731712639,9379785431020093
%N Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any north or west neighbors modulo 5 and the upper left element equal to 0.
%C Row 5 of A268115.
%e Some solutions for n=6
%e ..0..1..1..2..3..3....0..1..1..2..3..4....0..1..2..2..3..4....0..1..1..2..3..4
%e ..0..1..2..2..3..4....0..1..2..3..4..0....1..1..2..3..4..0....0..1..2..2..3..4
%e ..0..1..2..3..4..0....1..1..2..3..4..0....1..2..3..4..4..0....0..1..2..3..3..4
%e ..1..2..3..4..4..0....1..2..3..3..4..0....2..3..4..0..0..1....0..1..2..3..4..0
%e ..1..2..3..4..4..0....2..2..3..4..4..0....3..3..4..0..1..2....1..2..3..4..4..0
%Y Cf. A268115.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jan 26 2016
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