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A250509
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Number of (n+2)X(2+2) 0..2 arrays with nondecreasing maximum minus minimum of every three consecutive values in every row and column
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1
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274625, 7615233, 184021141, 3726466325, 66217800903, 1079694968285, 16547443940527, 239762491944665, 3331432353007961, 44764306424750549, 583975364339968629, 7434540289095411055, 92726598333207379911
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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..1..0..0....0..0..2..0....0..1..1..0....0..2..0..2....0..2..0..2
..2..1..0..2....1..2..0..1....0..1..0..0....1..2..0..1....1..1..1..1
..2..1..2..2....0..0..0..0....0..1..1..0....1..1..1..2....2..2..2..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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