a(1) = 7, a(n) = smallest palindromic prime obtained by inserting digit anywhere in a(n-1).

A082624

a(1) = 7, a(n) = smallest palindromic prime obtained by inserting digit anywhere in a(n-1).

Terms

    a(0) =7a(1) =373a(2) =30703a(3) =3007003a(4) =302070203a(5) =30207570203

External references