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A233703
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Number of (n+2)X(3+2) 0..3 arrays with no increasing sequence of length 3 horizontally, vertically, diagonally downwards or antidiagonally downwards
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1
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336085716, 153005653333, 64757179869158, 27085905767473141, 11212752865793034944, 4631460210359384478490, 1910166828569356248670720, 787520591294663746255808417, 324604863253952019036640374588
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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=1
..0..0..0..3..3....0..0..0..2..0....0..0..0..2..2....0..0..0..2..2
..0..0..0..2..2....0..0..0..0..1....0..0..0..0..3....0..0..0..3..0
..1..2..0..0..2....0..2..1..0..1....3..0..0..2..1....3..2..2..1..3
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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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