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A318428
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Number of nX6 0..1 arrays with every element unequal to 1, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
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1
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5, 511, 1353, 20016, 132039, 1216538, 9600648, 81327718, 665822482, 5547964642, 45869504563, 380741848431, 3154908484252, 26163271819169, 216899879798735, 1798367150917047, 14910277331599425, 123621215328946695
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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..1..1..0..0..1. .0..0..1..1..1..1. .0..1..1..0..1..0. .0..1..1..0..1..0
..0..1..1..0..0..1. .1..1..0..1..0..0. .1..1..0..0..1..1. .1..0..0..1..1..1
..0..1..1..0..0..0. .1..1..1..0..0..1. .0..0..0..1..1..0. .0..0..1..1..0..1
..0..1..1..1..1..0. .0..1..1..0..0..1. .1..1..1..1..1..0. .0..1..1..1..1..1
..0..0..0..1..1..0. .0..0..1..1..0..1. .1..0..0..1..0..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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