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A197895
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Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,0,1,1 for x=0,1,2,3,4
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1
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13, 465, 12531, 307547, 8668800, 222339185, 5912587870, 157857167179, 4183451423645, 111166193975420, 2950262356302461, 78315286867434745, 2079368080789002011, 55195078895038120040, 1465309792355074899031
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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 1's
Column 7 of A197896
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..102
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EXAMPLE
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Some solutions containing all values 0 to 4 for n=4
..0..1..3..1..0..0..0....0..1..3..1..2..0..0....2..0..0..0..1..3..1
..0..0..1..4..1..2..0....1..4..1..0..0..0..2....0..0..2..1..4..1..0
..0..0..2..1..3..1..0....3..1..4..1..0..0..2....0..0..2..3..1..0..0
..0..0..0..0..2..0..2....1..0..1..3..1..2..0....2..0..0..1..0..0..2
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CROSSREFS
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Sequence in context: A272656 A081862 A198012 * A197749 A198154 A197234
Adjacent sequences: A197892 A197893 A197894 * A197896 A197897 A197898
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin Oct 19 2011
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STATUS
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approved
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