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A305953
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Number of nX7 0..1 arrays with every element unequal to 0, 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
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1
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1, 908, 14652, 705763, 30700722, 1406191296, 64233268442, 2949134027463, 135468194522667, 6227151177165463, 286296487893592313, 13164179576247841689, 605327650429289802592, 27835345940539704996531
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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..1..0..1. .0..0..0..1..0..1..0. .0..0..1..0..1..0..1
..1..1..0..1..1..1..0. .1..1..1..1..1..0..1. .1..1..0..1..0..1..0
..0..0..0..1..1..1..0. .0..0..1..1..0..1..1. .0..0..1..0..0..0..1
..0..0..1..1..0..0..0. .0..0..1..0..0..0..0. .0..0..1..0..0..1..0
..0..0..1..0..0..1..1. .0..0..1..0..0..0..0. .0..0..1..1..1..1..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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