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A224970
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Number of (n+1)X4 0..3 matrices with each 2X2 permanent equal
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1
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3067, 110253, 1417535, 49673755, 946613919, 27297398415, 603337019865, 15860938451645, 372644358301661, 9417695286715489, 227009613149696909, 5642600777843854363, 137487699278896205027, 3393605739680529203023
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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=2
..1..0..3..2....1..0..0..2....2..0..1..0....1..1..1..3....1..0..2..1
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..2..2..2..3....2..2..2..3....1..2..1..3....3..0..1..0....1..0..3..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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