a(n) = 10^n mod 9^n.

Terms

a(0) =0a(1) =1a(2) =19a(3) =271a(4) =3439a(5) =40951a(6) =468559a(7) =434062a(8) =13906558a(9) =225159022a(10) =3026431198a(11) =5856821173a(12) =152711390557