a(1) = 1, a(n) = n*9^(n-1) + a(n-1).

Terms

a(0) =1a(1) =19a(2) =262a(3) =3178a(4) =35983a(5) =390277a(6) =4110364a(7) =42374116a(8) =429794605a(9) =4303999495a(10) =42658627906a(11) =419231343214