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A254240
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Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally and vertically
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1
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514920, 2228050, 13376848, 80104299, 249684274, 940766774, 3047978749, 8696762202, 26336306288, 78716251434, 225295831770, 651870318928, 1860285741290, 5237337951769, 14747905907768, 41414839936846
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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..1....0..0..0..0..1..0..1..0....0..0..0..0..1..1..1..1
..1..0..1..1..0..0..0..0....0..0..0..0..0..0..1..1....0..1..0..0..0..0..1..0
..0..1..0..0..0..1..0..1....0..0..0..1..1..1..0..0....0..0..0..1..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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