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A241107
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Number of nX7 0..2 arrays with no element equal to one or three horizontal or vertical neighbors, with new values 0..2 introduced in row major order
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1
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32, 1216, 40418, 1333934, 44030862, 1454236806, 48054344508, 1586763763374, 52415988665902, 1731396543937826, 57192293520907518, 1889201414043365704, 62405079297467322902, 2061398474689109752446, 68093252520609897541958
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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
..0..1..2..1..2..1..2....0..1..1..2..0..2..0....0..1..0..2..1..0..1
..2..2..1..0..1..0..1....2..1..1..1..2..0..2....1..0..2..1..0..1..2
..2..2..0..1..0..1..0....1..0..1..1..0..2..1....0..2..1..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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