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A181034
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Number of nX(n+3) binary matrices with no initial bit string in any row or column divisible by 4
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1
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1, 8, 99, 2999, 200798, 30584687, 10496827403, 8147000813446, 14279081380626859, 56548869471250924613, 505895767712482884973116, 10224865987802162338842130221, 466867871514396686081152537710131
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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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EXAMPLE
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Some solutions for 4X7
..1..1..1..1..1..1..1....1..1..1..1..1..1..1....1..1..1..1..1..1..1
..1..0..1..0..1..0..1....1..0..1..0..1..0..1....1..0..1..0..1..0..1
..1..1..0..1..0..1..0....1..1..0..1..0..1..0....1..1..0..1..0..1..0
..1..0..1..0..1..0..1....1..0..1..0..1..1..1....1..0..1..1..1..0..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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