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A281343
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Number of nX7 0..1 arrays with no element equal to more than three of its king-move neighbors and with new values introduced in order 0 sequentially upwards.
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1
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64, 3281, 4355, 18189, 60540, 198619, 639142, 2039214, 6489813, 20683647, 65987467, 210970521, 675532316, 2165041339, 6942289440, 22270716585, 71468916039, 229423662632, 736691206279, 2366141286606, 7601378517849
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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=4
..0..1..0..0..0..1..0. .0..1..1..0..0..0..1. .0..0..1..1..1..1..0
..1..1..1..1..1..0..1. .0..0..1..0..1..1..0. .0..1..0..0..0..0..1
..0..0..0..0..1..0..1. .1..0..1..0..1..0..0. .0..1..0..1..1..1..0
..1..1..1..0..0..1..1. .1..0..1..0..1..0..1. .1..1..0..1..0..0..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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