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A203274
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Number of n X 5 0..5 arrays with every nonzero element less than or equal to some NW, E or S neighbor.
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1
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1, 165993, 525063657, 805342647391, 1126396980640358, 1710751676209296372, 2658493631378011835550, 4082511881983390614103873, 6243679229930017272903596918, 9566736378802482603139943069827
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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
..1..4..0..5..5....0..3..5..4..0....1..3..4..3..1....3..1..4..3..1
..4..4..5..3..5....5..1..5..4..0....4..5..4..3..1....3..3..4..5..2
..3..1..5..1..0....5..3..5..0..4....3..5..4..1..1....5..3..2..5..5
..3..3..5..5..1....5..5..5..5..0....5..5..5..0..0....5..5..0..5..5
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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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