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A266183
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T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element plus any diagonal or antidiagonal neighbor equal to n-1.
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4
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1, 1, 2, 1, 2, 6, 1, 2, 22, 24, 1, 2, 88, 384, 120, 1, 2, 296, 7768, 19080, 720, 1, 2, 1372, 226296, 4027960, 1019328, 5040, 1, 2, 6128, 7089448, 1203241488, 2437859280, 106546608, 40320, 1, 2, 29552, 253282792, 409870443648, 8822224268688
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OFFSET
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1,3
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COMMENTS
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Table starts
......1...........1.............1.............1............1.........1
......2...........2.............2.............2............2.........2
......6..........22............88...........296.........1372......6128
.....24.........384..........7768........226296......7089448.253282792
....120.......19080.......4027960....1203241488.409870443648
....720.....1019328....2437859280.8822224268688
...5040...106546608.3971117183616
..40320.11075595648
.362880
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LINKS
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EXAMPLE
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Some solutions for n=3 k=4
..2..0..1..0....0..2..1..2....2..1..0..0....1..2..0..1....0..2..2..0
..1..2..1..0....1..0..2..0....2..1..0..1....2..0..2..0....1..1..1..1
..2..0..1..2....1..2..0..1....2..1..2..0....1..1..0..2....2..2..0..0
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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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