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A222510
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Number of 2Xn 0..1 arrays with exactly floor(2Xn/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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0, 0, 4, 3, 10, 32, 44, 176, 326, 888, 2076, 5275, 12306, 32324, 74284, 195959, 460498, 1189652, 2861016, 7307596, 17774488, 45231012, 110756056, 281073368, 692630902, 1752734824, 4342317676, 10967047059, 27278066490, 68820679380, 171685581996
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OFFSET
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1,3
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COMMENTS
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LINKS
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EXAMPLE
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All solutions for n=3
..0..0..1....0..0..0....0..1..1....0..0..0
..0..0..0....0..0..1....1..1..1....1..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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