(Fractional part of 1.1^n) * 10^n.

Terms

a(0) =0a(1) =1a(2) =21a(3) =331a(4) =4641a(5) =61051a(6) =771561a(7) =9487171a(8) =14358881a(9) =357947691a(10) =5937424601a(11) =85311670611a(12) =138428376721