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A197748
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Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,0,1,0 for x=0,1,2,3,4
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1
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8, 186, 4086, 64832, 1345639, 26488736, 517762136, 10253557106, 201303354308, 3960281174841, 78026833052921, 1535648544087160, 30232523451117831, 595202431920865248, 11716746352661448795, 230663246714597008476
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OFFSET
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1,1
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COMMENTS
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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 0's
Column 6 of A197750
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..209
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EXAMPLE
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Some solutions containing all values 0 to 4 for n=4
..2..0..0..0..0..0....1..3..1..0..0..0....1..3..1..2..0..2....2..0..2..2..0..0
..0..4..0..4..0..0....0..1..2..0..0..0....0..1..0..0..4..0....0..4..0..0..0..0
..0..0..1..0..0..0....0..1..0..0..4..0....0..0..4..0..0..0....0..0..0..2..1..0
..0..1..3..1..0..0....1..3..1..2..0..2....0..0..0..0..0..0....0..0..2..1..3..1
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CROSSREFS
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Sequence in context: A092546 A197894 A198011 * A198153 A197233 A163701
Adjacent sequences: A197745 A197746 A197747 * A197749 A197750 A197751
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin Oct 17 2011
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STATUS
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approved
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