Number of antichains of multisets with multiset-join a normal multiset of size n.

A317073

Number of antichains of multisets with multiset-join a normal multiset of size n.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =16a(4) =198a(5) =9890a(6) =8592538

External references