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A222999
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Number of nX5 0..2 arrays with no more than floor(nX5/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order
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1
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24, 1814, 125907, 18420655, 1388632315, 213770689590, 16612891441497, 2613783409317401, 206758595651028725, 32954855551774604713, 2636001088339869354467, 423706560922870576914860
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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..1..0..1....0..1..2..0..1....0..1..2..2..2....0..1..0..2..1
..0..1..1..0..2....1..2..2..0..1....2..1..0..1..2....2..1..1..2..0
..1..1..2..0..2....2..0..1..2..1....0..1..0..1..1....0..0..1..2..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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