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A303106
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Number of 6Xn 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
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1
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0, 361, 17229, 523578, 22292709, 906385523, 37220475492, 1524895247525, 62554206264579, 2565661994238856, 105233833702602217, 4316305100898465120, 177039165517795607628, 7261509407874389623218, 297840901987105112478569
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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=5
..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
..0..0..0..1..1. .0..0..0..0..0. .0..0..0..1..0. .0..0..0..1..0
..1..0..1..1..1. .1..1..1..1..1. .0..1..0..1..1. .1..1..1..0..0
..0..1..0..0..1. .0..0..0..0..0. .0..0..1..1..0. .1..0..1..1..1
..0..1..0..1..0. .1..1..0..1..1. .1..1..0..0..1. .0..1..1..0..0
..0..0..1..0..0. .1..1..0..0..1. .1..1..1..0..0. .0..0..0..1..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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