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 A197046 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,2,0,1,3 for x=0,1,2,3,4 2

%I

%S 13,2057,141856,9248339,621506173,42346212260,2887590375825,

%T 196473830384459,13380873189121311,910764986424304753,

%U 61996774523408648312,4220890096247905089568,287338357690684994223092

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

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

%C Column 7 of A197047

%H R. H. Hardin, <a href="/A197046/b197046.txt">Table of n, a(n) for n = 1..59</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 08 2011

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