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A257383
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Number of (n+2)X(4+2) 0..2 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum or central row sum less than the central column sum
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1
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24720784, 343435024, 2462144400, 17165192256, 188932792896, 2578927657216, 33052610739600, 423586575525961, 5688022544240400, 75055105665973161, 939761719675086400, 11768233345435487376, 151539464193951582736
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=1
..0..0..0..0..1..1....0..0..0..0..1..2....0..0..0..0..2..2....0..0..0..0..2..2
..0..1..1..1..1..2....0..1..1..1..1..2....1..0..1..2..2..1....1..0..0..2..2..2
..0..0..2..1..0..1....2..0..1..1..1..1....1..0..0..1..1..1....1..0..0..1..0..0
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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