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A258608
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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 less than the central column sum
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1
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6056521, 16806958, 20602521, 26101881, 42003361, 87260319, 168065296, 336081087, 600593049, 1104953167, 1878008896, 3265742205, 5334257296, 8852106046, 13973131264, 22289465664, 34154366481, 52671100026, 78627524836
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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..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..1..0..1
..1..0..0..2..2..1....1..1..1..2..1..0....0..1..2..1..0..2....0..1..1..0..2..1
..0..0..0..1..0..1....0..0..0..0..1..2....0..0..0..2..0..2....0..1..0..2..1..2
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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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