a(n) = (10^2)*11^(n-2); a(0)=1, a(1)=9.

A056002

a(n) = (10^2)*11^(n-2); a(0)=1, a(1)=9.

Terms

    a(0) =1a(1) =9a(2) =100a(3) =1100a(4) =12100a(5) =133100a(6) =1464100a(7) =16105100a(8) =177156100a(9) =1948717100a(10) =21435888100a(11) =235794769100

External references