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A306140
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Number of nX5 0..1 arrays with every element unequal to 1, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
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1
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3, 313, 2787, 40610, 601535, 8151029, 114440831, 1609075139, 22447164273, 314280482738, 4398879870601, 61537268595549, 861131897150473, 12049755639784951, 168605788029197162, 2359272015430288592
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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..0..1. .0..0..0..1..0. .0..0..0..0..1. .0..0..0..1..1
..1..0..0..1..0. .0..1..1..0..0. .1..1..0..0..1. .0..1..0..0..1
..0..1..1..1..1. .0..0..0..0..1. .1..1..1..1..0. .1..0..1..0..0
..0..1..1..1..1. .0..0..0..0..1. .0..1..1..1..0. .1..0..0..0..1
..1..0..0..0..0. .0..1..1..1..0. .1..0..1..0..1. .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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