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A258906
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Number of (n+2)X(4+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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51856, 510095, 5271330, 58411404, 575237942, 5661517795, 55658584373, 532429444542, 5037453136882, 47329532772441, 440718089753305, 4071997680549943, 37419648635807601, 342088892989819481
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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
..1..0..0..1..1..1....1..1..0..1..0..1....1..0..1..1..0..1....0..0..0..0..0..1
..1..1..0..0..0..0....0..1..0..1..1..1....1..0..1..1..0..1....1..0..0..0..1..0
..0..1..1..1..0..1....1..1..1..1..1..0....0..1..1..1..0..1....1..0..0..1..1..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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