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A293082
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Number of n X 3 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.
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1
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0, 5, 53, 498, 4013, 31689, 246743, 1915490, 14853287, 115216476, 894466395, 6951525006, 54087414608, 421322913539, 3285654843025, 25650404747946, 200449942963173, 1567942963397654, 12275547702488649, 96186181822236986
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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=4
..1..0..0. .1..0..0. .0..1..0. .1..1..0. .0..0..0. .0..0..0. .0..1..0
..0..0..0. .0..1..1. .0..0..0. .0..1..0. .1..0..0. .0..1..1. .1..0..1
..1..1..0. .0..1..0. .0..0..1. .0..0..0. .1..0..0. .0..1..1. .0..1..0
..0..0..1. .0..1..1. .1..0..0. .1..0..1. .0..1..1. .0..1..0. .0..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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