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A266022
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Number of nX5 integer arrays with each element equal to the number of horizontal, vertical and antidiagonal neighbors exactly one smaller than itself.
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1
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9, 99, 316, 3796, 39064, 336357, 3254726, 31035211, 292685424, 2799525337, 26595754073, 253049304865, 2411701918670, 22950798550179, 218539972439888, 2081095747834009, 19814659576096763, 188682858931600792
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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..0..2..1..1....2..1..0..0..1....1..0..2..1..0....0..0..1..2..1
..1..1..2..0..1....1..2..3..2..1....2..0..1..1..1....0..2..3..2..0
..2..3..2..1..2....0..2..0..2..0....1..1..1..1..1....2..1..1..2..0
..0..0..1..2..0....1..1..1..2..1....2..2..0..2..0....1..0..2..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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