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A303523
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Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
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1
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13, 113, 286, 1875, 13031, 102779, 965150, 9961980, 109395622, 1249312308, 14535068668, 170908188530, 2021484478581, 23981853993648, 284987683948763, 3389805878799915, 40340446531700113, 480206820275333547
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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..0..1..0..1. .0..1..1..0..1..0. .0..1..1..1..0..0. .0..1..0..1..0..1
..0..0..1..1..0..1. .1..1..1..1..0..0. .1..1..1..1..1..1. .1..1..0..1..1..0
..1..1..1..1..1..0. .0..1..1..1..1..0. .0..1..1..0..0..1. .1..1..1..1..1..1
..0..0..1..1..1..1. .0..1..0..1..1..0. .0..0..0..0..0..0. .0..1..0..1..1..1
..1..1..1..1..1..0. .0..1..0..1..0..1. .0..1..1..0..0..1. .0..1..1..1..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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