Number of labeled n-node T_0-hypergraphs without multiple hyperedges (empty hyperedge included).

A059085

Number of labeled n-node T_0-hypergraphs without multiple hyperedges (empty hyperedge included).

Terms

    a(0) =2a(1) =4a(2) =12a(3) =216a(4) =64152a(5) =4294320192

External references