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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..2 3Xn array
1

%I #6 Nov 20 2012 17:05:23

%S 27,69,787,3495,27993,154447,1080809,6526907,43241983,270431585,

%T 1753511935,11117046371,71479973835,455588313465,2919712813815,

%U 18647687495411,119353646989167,762902760386741,4880484858150293

%N Number of 3Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..2 3Xn array

%C Row 3 of A219128

%H R. H. Hardin, <a href="/A219130/b219130.txt">Table of n, a(n) for n = 1..28</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 12 2012