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A222506
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Number of nX5 0..1 arrays with exactly floor(nX5/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order
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1
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4, 10, 35, 423, 2066, 23678, 128889, 1529195, 8569032, 102004630, 577797690, 6918500106, 39468519264, 474774414486, 2721664132317, 32865146885501, 189103727308651, 2290577790555642, 13219410500639451, 160529083824632284
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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=3
..0..1..0..0..0....0..0..0..1..1....0..0..1..1..1....0..0..1..1..1
..1..0..0..0..0....0..0..0..1..0....0..0..1..1..1....0..1..1..1..1
..0..0..0..0..0....0..0..0..1..1....1..0..1..1..1....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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