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A257016
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Number of (n+2)X(3+2) 0..2 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum
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1
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6508512, 717382656, 82198167552, 9418319069184, 1067360882688000, 120962057616000000, 13755268072643328000, 1564188006382373965824, 177670834801998001035264, 20181030292033938199471104
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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..1....0..0..0..0..1....0..0..0..0..2....0..0..0..1..1
..0..2..0..0..0....1..2..1..0..2....2..0..2..1..0....1..1..2..0..2
..0..2..1..0..0....2..0..1..2..1....2..0..1..2..0....0..1..1..0..1
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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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