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A303195
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Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
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1
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13, 65, 105, 283, 2106, 8250, 32223, 159440, 703465, 2973340, 13494853, 60180498, 262407902, 1167392813, 5190322216, 22874608873, 101334971043, 449454168985, 1987423197338, 8798329818980, 38980239305306, 172530975264447
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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..0..0..1. .0..1..0..1..1..1. .0..1..0..1..0..1. .0..1..0..1..1..0
..0..1..1..1..0..1. .0..1..0..0..0..1. .0..0..0..1..1..1. .1..1..0..1..0..1
..1..1..1..1..1..1. .0..1..0..1..0..1. .0..1..0..1..0..1. .0..1..0..1..0..1
..0..1..0..1..0..1. .1..0..0..0..1..0. .0..1..0..1..0..1. .0..1..0..1..1..1
..0..0..1..1..0..1. .1..0..1..1..1..0. .0..1..0..1..1..0. .1..0..0..1..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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