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A197887 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,2,1,1,1 for x=0,1,2,3,4 1

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

%S 1,43,196,2263,17890,129294,1134527,9389938,74334188,612587633,

%T 4957017898,40458420396,328259829544,2682720603080,21878875862100,

%U 178129467799644,1450139820586951,11818051611475707,96281373184386270

%N Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,2,1,1,1 for x=0,1,2,3,4

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

%C Column 6 of A197889

%H R. H. Hardin, <a href="/A197887/b197887.txt">Table of n, a(n) for n = 1..184</a>

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

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Oct 19 2011

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Last modified April 23 06:04 EDT 2024. Contains 371906 sequences. (Running on oeis4.)