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A029941
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Number of symmetric types of (4,2n)-hypergraphs under action of complementing group C(4,2).
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0
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1, 15, 50, 225, 590, 1485, 3130, 6435, 11931, 21450, 36220, 59670, 94140, 145350, 217500, 319770, 458981, 648945, 900350, 1233375, 1663850, 2220075, 2924870, 3817125, 4928511, 6310980, 8007640, 10086780, 12605560, 15651900, 19300440
(list; graph; refs; listen; history; internal format)
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