a(1) = 2. a(n) = a(n-1)*(largest prime occurring earlier in the sequence) - 1.

A120763

a(1) = 2. a(n) = a(n-1)*(largest prime occurring earlier in the sequence) - 1.

Terms

    a(0) =2a(1) =3a(2) =8a(3) =23a(4) =528a(5) =12143a(6) =147452448

External references