Number of partitions of the 2n-multiset {0,...,0,1,2,...,n} into distinct multisets.

A346519

Number of partitions of the 2n-multiset {0,...,0,1,2,...,n} into distinct multisets.

Terms

    a(0) =1a(1) =2a(2) =9a(3) =59a(4) =442a(5) =3799a(6) =36332a(7) =379831a(8) =4288933a(9) =51867573a(10) =667168482a(11) =9076862555a(12) =130018298663

External references