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A229103
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Number of n X 4 0..3 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1) X 5 0..3 array.
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1
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256, 63248, 14747432, 2868497664, 531085813392, 96355251717448, 17357082345304488, 3117995723618536688, 559512460883072543600, 100360499121740164572128, 17998859155386688463327688
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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..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..1..2....0..0..0..2....0..0..0..1....0..0..1..2....0..0..0..3
..0..2..3..3....0..2..2..2....0..2..3..3....0..0..1..0....0..1..1..0
..1..3..2..1....0..3..0..3....2..0..1..1....1..0..0..2....1..2..0..3
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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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