a(n) = -1 + a(0)*a(1)*...*a(n-1) with a(0) = 3.

A005267

a(n) = -1 + a(0)*a(1)*...*a(n-1) with a(0) = 3.

Terms

    a(0) =3a(1) =2a(2) =5a(3) =29a(4) =869a(5) =756029a(6) =571580604869

External references