A196453 - OEIS

%I #5 Mar 31 2012 12:36:26

%S 8,67,383,2930,27320,249402,2032584,15952022,128543371,1060801262,

%T 8803139813,72685286254,596527548372,4887671652328,40110935638661,

%U 329698087638675,2710883854573401,22279902843871853,183037488877957616

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

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

%C Column 5 of A196456

%H R. H. Hardin, <a href="/A196453/b196453.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 02 2011