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A197089 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,2,0,1 for x=0,1,2,3,4 1

%I

%S 1,161,7537,289564,12635748,522569033,21989908007,923559415946,

%T 38737498552503,1625808615727565,68233833241429320,

%U 2863571252883915815,120178359677506216775,5043597906899270802555,211668526758336137032851

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

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

%C Column 7 of A197090

%H R. H. Hardin, <a href="/A197089/b197089.txt">Table of n, a(n) for n = 1..189</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Oct 10 2011

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Last modified June 25 13:19 EDT 2022. Contains 354851 sequences. (Running on oeis4.)