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A218180 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nX7 array.

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%I A218180 #5 Jul 22 2025 23:49:38
%S A218180 602,172038,70125438,20223079322,6885852440176,2257342895377582
%N A218180 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nX7 array.
%C A218180 Column 7 of A218181
%e A218180 Some solutions for n=3
%e A218180 ..0..0..0..0..0..0..2....0..0..0..1..1..3..1....0..0..0..0..0..3..3
%e A218180 ..0..0..0..0..0..3..2....0..0..0..1..1..1..1....0..0..0..0..2..1..0
%e A218180 ..0..0..0..0..3..2..2....0..0..0..3..1..1..1....0..0..0..0..0..0..0
%K A218180 nonn
%O A218180 1,1
%A A218180 _R. H. Hardin_ Oct 22 2012

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