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A114451
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Number of distinct permanents of n X n circulant (0,1)-matrices with 3 ones per row.
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0
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1, 1, 1, 3, 2, 3, 3, 3, 2, 8, 3, 6, 7, 8, 3, 11, 4, 10, 10, 7, 3, 21, 6, 10, 9, 16, 5, 24, 6, 17, 12, 12, 12, 29, 7, 14, 15, 26, 7, 34, 8, 21, 22, 15, 8, 45, 12, 22, 17, 26, 9, 35, 16, 37, 20, 20, 10, 63, 11
(list; graph; refs; listen; history; internal format)
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