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A258909
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Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally and vertically
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1
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3644672, 77704089, 2026873370, 55658584373, 1346660412346, 33594417416223, 843497063678720, 20397369281984560, 489343554187851696, 11717335464723341419, 277507963941823404580, 6517999553991196939304
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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..1..1..1....0..0..0..0..0..1..0..0..1
..0..0..0..0..0..0..1..1..1....0..0..0..0..0..0..0..1..0
..0..0..0..0..0..0..1..1..1....1..0..1..0..0..0..1..1..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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