a(n) = (Sum_{k=0..n-1} A001850(k)*A001003(k+1))/n.

A268138

a(n) = (Sum_{k=0..n-1} A001850(k)*A001003(k+1))/n.

Terms

    a(0) =1a(1) =5a(2) =51a(3) =747a(4) =13245a(5) =264329a(6) =5721415a(7) =131425079a(8) =3159389817a(9) =78729848397

External references