Starting from a(1)=8, each subsequent term is the minimal square obtained by inserting at least one digit in the previous term.

A068617

Starting from a(1)=8, each subsequent term is the minimal square obtained by inserting at least one digit in the previous term.

Terms

    a(0) =8a(1) =81a(2) =841a(3) =38416a(4) =3841600a(5) =384160000a(6) =38416000000

External references