Sum of the sizes of the tenth blocks in all set partitions of {1,2,...,n}.

A270502

Sum of the sizes of the tenth blocks in all set partitions of {1,2,...,n}.

Terms

    a(0) =1a(1) =57a(2) =1839a(3) =44346a(4) =891892a(5) =15848311a(6) =257647088a(7) =3921554995a(8) =56796169899a(9) =792102157717

External references