a(n) is the coefficient of x^n in the polynomial Product_{i=1..n+2} (prime(i)*x-1).

A309802

a(n) is the coefficient of x^n in the polynomial Product_{i=1..n+2} (prime(i)*x-1).

Terms

    a(0) =1a(1) =10a(2) =101a(3) =1358a(4) =20581a(5) =390238a(6) =8130689a(7) =201123530a(8) =6166988769a(9) =201097530280

External references