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A318065
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Number of nX5 0..1 arrays with every element unequal to 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
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1
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3, 249, 4003, 76927, 1405892, 25994502, 479322719, 8844178475, 163160290206, 3010153978306, 55533977404140, 1024542272140095, 18901694319609505, 348715820426469896, 6433429576139159715, 118689815703325535679
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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..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..1..0
..1..1..0..1..0. .1..1..0..1..1. .1..1..1..1..1. .1..0..0..0..0
..0..1..1..1..0. .1..1..1..1..1. .0..0..1..1..0. .0..0..0..0..1
..0..0..0..1..1. .0..0..0..0..0. .0..0..1..0..0. .0..1..1..1..1
..0..1..0..0..0. .0..1..1..0..1. .1..1..0..1..1. .1..0..1..0..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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