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A051240 Number of 4-uniform hypergraphs on n unlabeled nodes, or equivalently pure 3-dimensional simplicial complexes on n unlabeled nodes.
(Formerly M1723)
+0
5
1, 1, 1, 2, 6, 156, 7013320, 29281354514767168, 234431745534048922731115555415680, 453456943706240925312368435237969462391555337386758635520 (list; graph; listen)
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Last modified December 4 12:48 EST 2009. Contains 170310 sequences.


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