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A246123
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Number of inequivalent n X n matrices with entries from [7], where equivalence means permutations of rows or columns or the symbol set.
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2
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1, 1, 9, 773, 12872565, 18591188894392, 1015303397880332132695, 2006943506669869627232430791792, 148870004307406359229098552180494085417700, 427548526344388851318876075291587420840143834762159765
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OFFSET
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0,3
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LINKS
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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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