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A297732
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Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 or 4 neighboring 1s.
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1
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1, 145, 700, 4795, 82549, 673171, 6241242, 74469526, 718454750, 7237789501, 78605147646, 802756282257, 8321237610322, 88309948248405, 920709083264361, 9652601225861871, 101986973953809025, 1072161304466219489
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OFFSET
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1,2
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=5
..0..0..0..0..0..0..0. .1..1..0..1..1..1..0. .0..0..1..1..0..0..0
..1..1..0..0..1..0..0. .0..1..1..1..0..1..1. .0..0..1..1..0..1..1
..1..1..0..1..0..1..1. .0..0..0..0..0..0..0. .0..0..0..0..0..1..1
..0..0..0..1..1..1..1. .0..0..1..1..1..0..0. .1..1..1..0..0..0..0
..0..0..0..0..1..0..0. .0..0..1..1..1..0..0. .1..1..1..0..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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