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A265875
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Number of nX3 integer arrays with each element equal to the number of horizontal, vertical and antidiagonal neighbors less than itself.
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1
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5, 137, 1330, 30363, 544092, 9831410, 185555660, 3446658882, 64319089694, 1199098819080, 22364131445571, 417190960294802, 7779917972805386, 145112215710497400, 2706516080784304796, 50479139484195509572
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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
..0..1..2....0..4..0....1..4..0....2..1..1....0..4..1....0..3..1....0..0..3
..4..1..3....2..2..3....0..2..4....1..0..2....2..0..3....2..5..0....4..1..1
..0..6..0....0..6..0....3..3..0....2..2..4....2..0..3....1..5..0....2..6..0
..0..3..0....0..0..0....0..4..1....3..0..0....3..2..0....0..3..1....1..0..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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