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A230757
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T(n,k)=Number of (n+3)X(k+3) 0..2 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero
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9
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12, 192, 192, 2700, 5544, 2700, 31212, 178608, 178608, 31212, 363312, 4838400, 13305708, 4838400, 363312, 4120752, 129731328, 820317888, 820317888, 129731328, 4120752, 46949808, 3423037464, 51048476748, 116879941620, 51048476748
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OFFSET
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1,1
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COMMENTS
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Table starts
.......12.........192............2700..............31212................363312
......192........5544..........178608............4838400.............129731328
.....2700......178608........13305708..........820317888...........51048476748
....31212.....4838400.......820317888.......116879941620........17027460691212
...363312...129731328.....51048476748.....17027460691212......5769362600920812
..4120752..3423037464...3154520054700...2446111719135732...1928867953682733132
.46949808.90231813552.194576103540300.350956390609736652.645610139671314494208
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LINKS
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FORMULA
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Empirical for column k:
k=1: [order 15]
k=2: [order 36]
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EXAMPLE
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Some solutions for n=1 k=4
..0..0..2..2..0..0..0....0..2..0..0..1..1..2....0..1..0..2..1..0..2
..1..1..0..0..1..1..2....0..1..2..2..1..0..2....2..1..0..2..1..0..2
..0..2..0..1..1..0..2....0..1..2..2..1..0..2....0..0..2..2..1..0..2
..1..2..0..2..2..0..2....0..2..0..0..1..0..2....2..2..1..0..2..0..2
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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