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A197177 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,2,1,0,0 for x=0,1,2,3,4 1

%I #5 Mar 31 2012 12:36:28

%S 4,58,665,7172,92206,1096217,13530178,164914460,2020163498,

%T 24703508188,302309943629,3698448129411,45252432505040,

%U 553659760056682,6774120187730445,82881818656461776,1014068105098968313

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

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

%C Column 5 of A197180

%H R. H. Hardin, <a href="/A197177/b197177.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions containing all values 0 to 4 for n=4

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

%e ..3..0..4..0..1....0..0..0..0..3....3..0..0..0..0....1..0..4..0..0

%e ..0..4..0..3..2....1..0..0..4..0....0..3..0..4..0....0..4..0..0..0

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 11 2011

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Last modified April 23 13:51 EDT 2024. Contains 371914 sequences. (Running on oeis4.)