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A198012 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,0,1,2 for x=0,1,2,3,4 1

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

%S 13,465,12503,299335,8244976,207269787,5423217685,142032661893,

%T 3690857815709,96301082564026,2508976201002271,65375113684342891,

%U 1703916722542461931,44396185599805127387,1156931762972934829184

%N Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,0,1,2 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 0's, every 3 is next to 3 1's, every 4 is next to 4 2's

%C Column 7 of A198013

%H R. H. Hardin, <a href="/A198012/b198012.txt">Table of n, a(n) for n = 1..106</a>

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 20 2011

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Last modified April 24 10:11 EDT 2024. Contains 371935 sequences. (Running on oeis4.)