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Number of nX3 arrays of the minimum or maximum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nX3 array
0

%I #3 Dec 05 2012 05:38:31

%S 56,4020,252520,16187862,1028824446,65676456950,4186526618878,

%T 266969050965322

%N Number of nX3 arrays of the minimum or maximum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nX3 array

%C Column 3 of A220109

%e Some solutions for n=3

%e ..0..1..1....1..1..2....1..0..0....1..0..0....0..1..0....1..0..2....3..1..0

%e ..3..1..1....0..0..1....3..2..3....3..2..3....3..3..1....0..2..3....1..3..2

%e ..1..3..1....1..2..2....2..2..0....2..0..2....2..3..2....2..1..0....0..3..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 05 2012