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A188767
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Number of n X n binary arrays without the pattern 0 1 0 vertically or horizontally
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0
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2, 16, 240, 7868, 738031, 186969392, 118984786902, 191430611504482, 791786310866344064, 8423565813650647334361, 229714505025192315490199222, 16049804227721101224353628972128
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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 3X3
..1..1..1....1..0..1....1..1..0....1..1..1....0..1..1....0..1..1....1..1..1
..0..1..1....1..1..1....1..1..0....0..1..1....1..1..1....0..0..1....0..0..0
..1..1..1....1..1..0....1..0..0....0..0..1....1..0..1....0..0..0....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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