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A197400 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,1,1,1 for x=0,1,2,3,4 1

%I #5 Mar 31 2012 12:36:29

%S 1,249,3417,78101,1353761,26456233,534127371,10702459629,210165095895,

%T 4163535286913,82989760611503,1647146588097919,32676624824656185,

%U 648733177064446543,12886037922010071897,255825582321287654665

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

%C Every 0 is next to 0 3's, every 1 is next to 1 3'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 7 of A197401

%H R. H. Hardin, <a href="/A197400/b197400.txt">Table of n, a(n) for n = 1..96</a>

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

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Oct 14 2011

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Last modified April 19 14:10 EDT 2024. Contains 371792 sequences. (Running on oeis4.)