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A232123
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Number of (n+1)X(7+1) 0..2 arrays with every element both >= and <= some horizontal or vertical neighbor
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0
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770747, 1601238913, 3192300139421, 6554255427911017, 13402622472944146617, 27414970158908341356731, 56078190177705406992249203, 114709236329077951543847349623, 234640716578681606555674786892257
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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..1..1..2..1..0..0....0..0..1..2..2..1..2..2....0..1..1..0..2..2..0..2
..0..0..0..0..2..0..0..0....0..0..1..0..0..0..0..2....0..0..0..0..0..0..0..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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