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A209607
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Number of nX5 1..2 arrays with every element value z a city block distance of exactly z from another element value z
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1
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2, 170, 6218, 151736, 3833954, 95442732, 2375975754, 59592537600, 1495366951690, 37503163842366, 940455006943040, 23582406579072110, 591339672010632278, 14828301442081160268, 371832301227736747532, 9324007193364231632484
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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..2..2..1..2....2..2..2..1..1....1..2..1..2..2....1..1..2..1..1
..1..2..2..1..1....2..2..1..2..1....1..2..1..1..1....2..2..1..1..2
..2..1..2..1..2....1..1..1..1..1....1..2..2..2..2....1..2..2..1..2
..1..1..2..2..2....1..2..2..1..2....1..2..1..1..2....1..1..2..1..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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