a(1) = 1, a(2) = 8; for n > 2: a(n) = a(n-1)*(3*a(n-1)-2).

A099175

a(1) = 1, a(2) = 8; for n > 2: a(n) = a(n-1)*(3*a(n-1)-2).

Terms

    a(0) =1a(1) =8a(2) =176a(3) =92576a(4) =25710762176

External references