a(n) = Product_{k=n..2*n} prime(k).

A330769

a(n) = Product_{k=n..2*n} prime(k).

Terms

    a(0) =1a(1) =6a(2) =105a(3) =5005a(4) =323323a(5) =30808063a(6) =3212440751a(7) =435656388001

External references