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A257269
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Number of (n+2)X(4+2) 0..2 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum equal to the central column sum
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0
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13089924, 380991361, 4497848356, 59496966400, 498831438400, 4488101568196, 31552778558596, 232279485155524, 1489426595748100, 9809415221570064, 59889828344832256, 371397537426275721, 2213810688640896016
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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..2..1....0..0..0..1..1..0....0..0..0..2..0..0....0..0..0..2..2..0
..0..0..1..1..0..2....1..2..0..2..1..2....1..1..0..2..2..2....0..1..1..1..1..0
..0..0..0..0..2..2....0..0..1..1..2..2....0..0..0..2..1..1....0..0..0..2..2..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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