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A196320 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,3,0,2,4 for x=0,1,2,3,4 1

%I #5 Mar 31 2012 12:36:25

%S 8,122,978,10934,120633,1313940,14115912,152443404,1650437009,

%T 17857068383,193153331352,2089258276140,22599245898201,

%U 244449395062206,2644153063876181,28601431700083432,309377294235234987

%N Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,3,0,2,4 for x=0,1,2,3,4

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

%C Column 6 of A196322

%H R. H. Hardin, <a href="/A196320/b196320.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 01 2011

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Last modified July 16 11:34 EDT 2024. Contains 374347 sequences. (Running on oeis4.)