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A202932
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Number of (n+3)X(n+3) binary arrays with consecutive windows of four bits considered as a binary number nondecreasing in every row and column
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1
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65536, 113856, 225858, 533832, 1515902, 4958318, 17632598, 65399112, 247473102, 945795678, 3634766026, 14019410518, 54220125826, 210161235962, 816146103614, 3174723239624, 12367645524302, 48244264125326, 188419648917242
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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=2
..0..0..0..0..0....0..0..0..0..0....0..0..0..0..0....0..0..0..0..0
..0..1..0..0..0....0..1..1..0..1....0..1..1..0..1....0..1..0..1..0
..0..0..0..0..1....0..1..0..1..0....0..0..1..1..0....0..0..1..1..1
..0..0..1..1..0....0..1..0..0..0....0..1..0..0..0....0..1..0..1..0
..1..1..1..1..1....0..1..0..0..0....0..1..0..0..0....0..1..0..1..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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