Number of hyperforests with n labeled vertices: analog of A134954 when edges of size 1 are allowed (with no two equal edges).

A134956

Number of hyperforests with n labeled vertices: analog of A134954 when edges of size 1 are allowed (with no two equal edges).

Terms

    a(0) =1a(1) =2a(2) =8a(3) =64a(4) =880a(5) =17984a(6) =495296a(7) =17255424a(8) =728771584a(9) =36208782336

External references