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A317152
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Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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64, 752, 4091, 49746, 786868, 8398085, 100639070, 1322153771, 16079639203, 197080980236, 2478248260746, 30736946463877, 380701037947962, 4743575989254534, 58981199987184372, 732782748455024292
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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=5
..0..0..0..1..1..0..0. .0..0..0..0..1..0..0. .0..0..1..0..0..1..1
..0..0..0..0..0..0..0. .0..1..0..0..0..0..0. .1..0..0..0..0..1..1
..0..0..0..0..0..0..0. .0..0..0..1..0..0..1. .0..0..0..0..0..0..0
..0..0..0..0..1..0..0. .0..0..0..0..0..0..1. .0..0..0..0..0..0..0
..0..0..0..0..1..0..0. .0..0..0..0..0..0..0. .0..0..0..1..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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