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A196988 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,3,4,1,0 for x=0,1,2,3,4 1

%I

%S 1,31,707,11647,242602,4743311,93411402,1863379223,37097158961,

%T 737372275936,14668565862312,291924510277289,5808427537351763,

%U 115562866241227272,2299357190745139049,45750931870365018621

%N Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,3,4,1,0 for x=0,1,2,3,4

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

%C Column 7 of A196989

%H R. H. Hardin, <a href="/A196988/b196988.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Oct 08 2011

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Last modified September 23 12:44 EDT 2020. Contains 337310 sequences. (Running on oeis4.)