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A196909 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,2,0,4 for x=0,1,2,3,4 1

%I

%S 6,81,731,7290,72523,733802,7352954,73779592,741354396,7448048514,

%T 74830569227,751918752638,7555615174572,75921964710286,

%U 762902570572910,7666064576569410,77032893795527075,774070265353746927

%N Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,2,0,4 for x=0,1,2,3,4

%C Every 0 is next to 0 3's, every 1 is next to 1 1's, every 2 is next to 2 2's, every 3 is next to 3 0's, every 4 is next to 4 4's

%C Column 5 of A196912

%H R. H. Hardin, <a href="/A196909/b196909.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 07 2011

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Last modified November 27 02:53 EST 2021. Contains 349344 sequences. (Running on oeis4.)