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A253816
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Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally and vertically
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1
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47816, 181070, 554638, 1713952, 5585260, 19866443, 64664493, 209048111, 630001617, 1924934567, 5709557722, 16907821580, 49606011484, 146306387392, 435972233308, 1306430490778, 3954599777085, 12004238466384, 36735298554255
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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=2
..0..0..1..0..1..0....0..0..0..0..1..0....0..0..0..1..0..1....0..0..1..1..1..1
..0..0..0..1..0..0....0..1..1..0..1..0....0..0..1..0..0..0....0..0..1..0..1..0
..1..1..0..1..0..1....0..0..0..0..1..0....1..1..0..0..1..1....0..0..0..0..1..1
..0..0..0..1..0..0....0..1..1..0..1..1....1..0..0..0..1..1....0..1..0..0..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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