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A278174
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Number of nX5 0..1 arrays with every element both equal and not equal to some elements at offset (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.
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1
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0, 43, 737, 17396, 396024, 9120939, 209105063, 4797179760, 110034231906, 2523955236624, 57893739618179, 1327951316712237, 30460184207856087, 698687420488831794, 16026301711146587408, 367606943763824641516
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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=4
..0..0..0..1..0. .0..0..0..0..0. .0..0..1..0..0. .0..0..1..0..0
..1..1..1..0..0. .1..1..1..1..0. .1..1..1..1..1. .1..1..1..1..0
..1..0..0..1..1. .0..1..1..1..1. .1..0..1..0..1. .1..0..0..1..1
..1..1..1..0..0. .0..0..0..0..1. .1..0..1..0..0. .1..1..0..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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