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A183261
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Number of n X 6 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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8, 220, 6851, 284314, 12358457, 553836104, 25285926227, 1169152157882, 54566287853953, 2565099972100788, 121273846165465383, 5760384244239137519, 274671918496073201221, 13139944807683484672079, 630353877399609265385999
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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 3 X 6
..0..0..0..0..1..0....0..1..1..1..0..0....0..0..0..1..0..1....0..1..1..0..1..0
..1..0..0..0..1..0....0..1..1..1..0..0....0..0..1..1..0..0....0..0..1..0..0..0
..0..0..1..1..1..1....0..0..0..1..1..0....0..0..0..0..1..1....1..0..1..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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