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A266128
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Number of nX5 integer arrays with each element equal to the number of horizontal, diagonal and antidiagonal neighbors exactly one smaller than itself.
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1
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9, 149, 278, 3851, 62104, 326145, 4176690, 50677045, 367191341, 4343077168, 47557102126, 393190838218, 4413622529512, 46442066137513, 412349942225648, 4457850641709751, 46051121628392952, 427183303899673724
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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=4
..1..1..0..0..1....2..1..2..0..0....0..0..1..2..0....1..0..2..1..0
..1..0..2..1..1....0..1..2..3..0....1..2..3..2..1....0..1..1..3..2
..0..2..2..2..2....1..2..2..0..1....0..1..3..0..0....1..1..1..1..2
..0..0..1..1..0....1..0..0..1..1....2..1..1..2..1....1..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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