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A304155
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Number of nX7 0..1 arrays with every element unequal to 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
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1
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0, 702, 1722, 60352, 839935, 12806826, 217640633, 3520683600, 56360283031, 925790421949, 14995653106319, 243449572143143, 3961555586460616, 64339957150977924, 1045521379732970185, 16993284073070123472
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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..1..1..0..0..0..1. .0..1..0..0..1..1..0. .0..1..1..1..1..0..1
..0..1..1..0..1..1..0. .0..1..0..0..1..0..1. .0..1..0..0..0..1..0
..0..1..1..1..1..1..0. .1..0..0..1..1..1..0. .0..0..0..0..0..0..0
..1..1..1..0..0..1..0. .1..0..0..1..1..0..1. .1..0..1..1..0..1..1
..0..0..1..0..1..1..0. .0..1..0..1..1..0..1. .0..1..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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