Smallest n-digit squarefree number.

Terms

a(0) =2a(1) =10a(2) =101a(3) =1001a(4) =10001a(5) =100001a(6) =1000001a(7) =10000001a(8) =100000001a(9) =1000000001a(10) =10000000001a(11) =100000000002