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A218177 Number of nX4 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nX4 array.

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%I A218177 #6 Jul 22 2025 23:49:14
%S A218177 36,956,33152,851332,25006046,710907184,20223079322,577891946796,
%T A218177 16478399529602,470047800534878,13411160016021278,382570758334760884,
%U A218177 10914131505751644566,311359004159871539534,8882440163572303612864
%N A218177 Number of nX4 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nX4 array.
%C A218177 Column 4 of A218181
%H A218177 R. H. Hardin, <a href="/A218177/b218177.txt">Table of n, a(n) for n = 1..156</a>
%e A218177 Some solutions for n=3
%e A218177 ..1..1..1..1....0..0..1..1....2..2..3..2....2..3..1..1....3..0..0..0
%e A218177 ..1..3..1..1....0..0..1..3....0..3..0..2....1..1..2..1....2..2..0..3
%e A218177 ..1..1..3..2....0..1..3..3....0..0..0..0....1..1..1..2....2..2..3..3
%K A218177 nonn
%O A218177 1,1
%A A218177 _R. H. Hardin_ Oct 22 2012

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