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A183551 Number of nX6 0..2 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors.

%I A183551 #7 Jul 22 2025 09:05:34
%S A183551 33,5845,417809,31363527,2359134621,177385265619,13344696858771,
%T A183551 1003889179688773,75519989933088273,5681183354145927001,
%U A183551 427381397089550672209,32150852268908799128175,2418629680159299544090603
%N A183551 Number of nX6 0..2 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors.
%C A183551 Column 6 of A183554
%H A183551 R. H. Hardin, <a href="/A183551/b183551.txt">Table of n, a(n) for n = 1..95</a>
%e A183551 Some solutions for 3X6
%e A183551 ..0..1..0..1..1..1....0..0..2..2..1..1....0..0..0..2..2..2....0..0..1..1..2..2
%e A183551 ..0..1..0..0..1..0....0..2..2..0..2..0....0..0..2..2..1..2....0..1..1..2..2..2
%e A183551 ..1..1..0..0..0..0....1..1..2..0..2..0....2..2..0..0..1..1....1..1..1..1..1..1
%K A183551 nonn
%O A183551 1,1
%A A183551 _R. H. Hardin_ Jan 05 2011