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A268077
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Number of nX6 nonnegative integer arrays with new values introduced in each row and column in sequential order starting with zero.
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1
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1, 32, 2094, 216734, 29309170, 4617638834, 795460720710, 144635795908942, 27199854725237562, 5226964431904629706, 1018922182295162250542, 200570604681259480340550, 39753457499625567327509026
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OFFSET
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1,2
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COMMENTS
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LINKS
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FORMULA
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Empirical recurrence of order 45 (see link above)
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EXAMPLE
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Some solutions for n=3
..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0
..0..1..0..1..1..1....0..0..0..1..0..0....0..1..1..1..0..0....0..1..0..1..1..1
..0..0..1..2..1..2....0..1..1..1..1..0....0..1..2..0..0..1....0..1..1..1..2..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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