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A055780 Number of symmetric types of (3,2n)-hypergraphs under action of complementing group C(3,2). +0
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1, 7, 14, 35, 57, 98, 140, 210, 281, 385, 490, 637, 785, 980, 1176, 1428, 1681, 1995, 2310, 2695, 3081, 3542, 4004, 4550, 5097, 5733, 6370, 7105, 7841, 8680, 9520, 10472, 11425, 12495, 13566, 14763, 15961, 17290, 18620, 20090, 21561, 23177 (list; graph; listen)
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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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