a(1) = 8, a(n)= smallest n-th power obtained by inserting digits anywhere in a(n-1).

A080811

a(1) = 8, a(n)= smallest n-th power obtained by inserting digits anywhere in a(n-1).

Terms

    a(0) =8a(1) =81a(2) =68921a(3) =671898241

External references