a(n) = Product_{2 <= i < j <= n+1} (prime(i) + prime(j)).

A203524

a(n) = Product_{2 <= i < j <= n+1} (prime(i) + prime(j)).

Terms

    a(0) =1a(1) =8a(2) =960a(3) =3870720a(4) =535088332800

External references