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%I #5 Aug 12 2016 06:54:00
%S 720,0,0,0,0,0,1,46,29393,6837388,613275874,23205147788,464526211444,
%T 5767760740531,42557114596251,237454733444334
%N Number of 7Xn arrays containing n copies of 0..7-1 with every element equal to or 1 greater than any southwest or northwest neighbors modulo 7 and the upper left element equal to 0.
%C Row 7 of A267328.
%e Some solutions for n=8
%e ..0..1..1..2..3..4..5..6....0..1..2..3..3..4..5..6....0..1..2..3..4..4..5..6
%e ..0..0..1..2..3..4..5..6....0..1..2..3..4..4..5..6....0..1..2..3..3..4..5..6
%e ..6..0..1..2..3..4..5..6....0..1..2..3..4..5..5..6....0..1..2..2..3..4..5..6
%e ..6..0..1..2..3..4..5..5....0..1..2..3..4..5..6..6....0..1..1..2..3..4..5..6
%e ..6..0..1..2..3..4..4..5....0..1..2..3..4..5..6..0....0..0..1..2..3..4..5..5
%e ..6..0..1..2..3..3..4..5....1..1..2..3..4..5..6..0....6..0..1..2..3..4..5..6
%e ..6..0..1..2..2..3..4..5....1..2..2..3..4..5..6..0....6..0..1..2..3..4..5..6
%Y Cf. A267328.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 13 2016
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