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A283040
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Number of nX6 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element.
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1
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12, 924, 30378, 931844, 26180826, 706205768, 18455711930, 471954803540, 11868995624930, 294610925837548, 7236339162353190, 176211017312981820, 4259949495613038410, 102354621908646110164, 2446336908511893682666
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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=3
..1..0..1..1..0..1. .1..1..0..0..1..0. .0..1..0..0..0..1. .0..0..0..0..0..1
..0..1..0..0..1..0. .0..1..0..0..0..1. .1..1..1..0..1..0. .1..1..0..1..0..0
..0..0..0..1..1..1. .1..0..0..1..0..0. .0..1..0..0..0..1. .0..0..0..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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