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A216458
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Number of horizontal, diagonal and antidiagonal neighbor colorings of the even squares of an nX5 array with new integer colors introduced in row major order
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1
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2, 5, 203, 3429, 580479, 20880505, 8195008751, 484968748793, 348950573407587, 30012936243058237, 34789578208577116867, 4040674235335081456861, 6947043903258606579346103, 1037627124289198371293601937
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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=4
..0..x..1..x..2....0..x..1..x..2....0..x..1..x..2....0..x..1..x..2
..x..3..x..4..x....x..2..x..3..x....x..3..x..0..x....x..3..x..0..x
..0..x..2..x..5....3..x..1..x..0....4..x..1..x..5....2..x..1..x..3
..x..3..x..0..x....x..0..x..4..x....x..0..x..6..x....x..4..x..0..x
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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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