Number of free pure symmetric multifunctions whose leaves are a normal multiset of size n.

A317653

Number of free pure symmetric multifunctions whose leaves are a normal multiset of size n.

Terms

    a(0) =1a(1) =3a(2) =34a(3) =602a(4) =14872a(5) =472138a(6) =18323359a(7) =840503724a(8) =44489123726

External references