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Number of 3Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..3 3Xn array
1

%I #4 Dec 19 2012 13:00:21

%S 64,192,4328,24934,354706,2715804,31659166,277952034,2954256382,

%T 27594850862,281218334508,2702246506854,27016733242156,

%U 262977482298808,2606430063309362,25520149513177148,251935677082462500

%N Number of 3Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..3 3Xn array

%C Row 3 of A220761

%H R. H. Hardin, <a href="/A220763/b220763.txt">Table of n, a(n) for n = 1..65</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 19 2012