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A251955
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T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3
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5
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2172, 15246, 15246, 117100, 188296, 117100, 922890, 2723490, 2723490, 922890, 7415658, 41025310, 78070792, 41025310, 7415658, 60395332, 641763520, 2371536636, 2371536636, 641763520, 60395332, 495518534, 10250030572
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OFFSET
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1,1
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COMMENTS
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Table starts
.......2172.........15246...........117100............922890............7415658
......15246........188296..........2723490..........41025310..........641763520
.....117100.......2723490.........78070792........2371536636........74995353698
.....922890......41025310.......2371536636......146613818422......9379424889214
....7415658.....641763520......74995353698.....9379424889214...1207982363641170
...60395332...10250030572....2414437707602...608058611665734.157141917277860504
..495518534..165378271354...78329223513048.39605904141383754
.4085061316.2684347690572.2550593612042104
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LINKS
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EXAMPLE
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Some solutions for n=2 k=4
..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0
..1..2..2..0..0..0....2..0..0..1..0..0....0..0..0..2..0..2....1..0..0..0..0..2
..0..2..2..0..0..1....2..0..0..0..1..1....2..0..0..0..2..0....0..0..0..0..0..0
..0..2..2..0..0..1....2..0..0..1..1..0....2..0..2..2..2..2....0..2..0..0..2..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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