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A183260
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Number of nX5 binary arrays with the number of 0-1 adjacencies equal to the number of 0-0 adjacencies
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1
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7, 59, 1074, 23285, 526941, 12358457, 294747516, 7119707510, 173610143327, 4263303128795, 105283377755501, 2612030456816753, 65051981440720321, 1625345752707630215, 40722394587973397684, 1022732537851788857648
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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 4X5
..0..0..1..0..0....0..0..1..1..1....1..0..0..0..1....1..1..0..0..1
..0..0..0..0..0....1..0..0..0..0....1..1..1..1..1....0..0..0..0..1
..0..1..1..0..1....0..0..0..1..0....0..0..0..1..1....1..0..0..0..1
..0..0..1..1..0....0..0..1..1..1....0..0..0..0..0....1..1..1..1..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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