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A206394
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Number of nX6 0..5 arrays with no element equal to another within a city block distance of two, and new values 0..5 introduced in row major order
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1
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15, 1201, 12428, 151630, 1787258, 21983256, 268956972, 3301485294, 40603817198, 499201392028, 6147736324286, 75698270712532, 932481394642188, 11487787221488608, 141538253304943642, 1744036023952329892
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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..1..2..0..1..3....0..1..2..0..3..4....0..1..2..0..3..1....0..1..2..0..1..2
..2..3..4..5..2..4....2..5..4..1..2..5....2..3..4..1..2..4....2..3..4..5..3..4
..4..5..0..1..3..5....1..3..0..5..4..0....1..5..0..3..5..0....5..0..1..2..0..1
..0..1..2..4..0..1....5..4..2..3..1..2....0..4..1..2..4..1....3..4..5..3..4..2
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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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