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A185484
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Number of (n+1)X7 binary arrays with every 2X2 subblock determinant equal to some horizontal or vertical neighbor 2X2 subblock determinant
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1
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1832, 73094, 1923780, 59486818, 1723639416, 51354095605, 1513130455943, 44794190542169, 1323525925470463, 39137379574959336, 1156933531645734032, 34204609315029971150, 1011198353006650460242, 29894979888370298618687
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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 3X7
..1..1..1..0..0..0..0....0..0..0..1..0..0..0....1..1..0..0..0..1..0
..1..1..1..0..1..1..0....0..1..0..1..0..0..0....0..0..0..1..0..1..0
..1..1..1..0..0..0..0....0..0..0..1..0..1..1....1..0..0..0..0..0..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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