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%I #3 Oct 27 2013 18:02:28
%S 0,0,0,32,15624,2756394,296568384,24842737670,1968730639226,
%T 156736534647626
%N Number of 5Xn 0..6 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 7, and upper left element zero
%C Row 5 of A230686
%e Some solutions for n=4
%e ..0..1..0..6....0..1..2..3....0..1..2..3....0..1..2..3....0..1..2..1
%e ..2..3..5..4....0..6..4..5....0..6..4..5....0..5..4..3....0..3..4..5
%e ..4..5..3..2....5..4..6..0....5..4..6..0....6..0..2..1....2..1..6..0
%e ..6..0..1..0....3..2..1..0....3..2..1..0....1..2..0..6....0..6..1..2
%e ..6..5..6..5....1..0..6..5....4..5..6..5....3..4..5..4....5..4..3..2
%K nonn
%O 1,4
%A _R. H. Hardin_, Oct 27 2013