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A258678
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Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum
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1
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219648, 2944656, 51939888, 916151824, 14229592160, 221012814400, 3662507469600, 60693136736400, 974804206566960, 15656518879024144, 255586033778653248, 4172333656507842816, 67553310760796804928
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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..1..0..0..0....0..1..1..0..0..0..1....0..1..0..0..1..1..1
..1..0..0..0..1..1..0....1..1..0..1..0..0..0....0..0..1..1..1..1..1
..1..0..0..0..1..0..0....1..0..1..0..1..1..1....0..1..1..1..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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