Number of partitions of a {2n-1}-set into n nonempty subsets.

A129506

Number of partitions of a {2n-1}-set into n nonempty subsets.

Terms

    a(0) =1a(1) =3a(2) =25a(3) =350a(4) =6951a(5) =179487a(6) =5715424a(7) =216627840a(8) =9528822303a(9) =477297033785

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