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A295039
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Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 1 or 2 1s.
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1
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37, 2735, 104096, 4738235, 209181266, 9248214732, 411280569141, 18227207589288, 807975522778623, 35828949243544333, 1588724655137268304, 70444327993290622210, 3123514826860958239480, 138498446900583005504125
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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..0..0..1..1..1..0. .0..0..1..1..0..0..0. .1..1..0..0..0..0..0
..0..0..0..0..0..1..0. .1..0..0..0..0..1..1. .1..1..0..1..1..1..0
..1..1..0..0..0..1..0. .1..1..1..1..0..0..1. .0..0..0..0..0..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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