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A233841
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Number of (n+2)X(4+2) 0..3 arrays with no increasing sequence of length 3 horizontally or antidiagonally downwards
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1
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23453646656, 55891166269184, 131619893152104448, 309991751661980537856, 729964339940515853733888, 1718914265875492989694529536, 4047676685721201279507422679040, 9531416229134972390161555327369216
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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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FORMULA
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Empirical recurrence of order 32 (see link above)
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EXAMPLE
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Some solutions for n=1
..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..1..0..0..2....1..0..1..0..2..1....1..0..0..0..0..1....1..0..0..0..0..2
..0..0..0..0..1..0....1..0..3..0..3..1....0..0..0..1..1..3....3..1..0..0..2..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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