a(1)=10; a(n) = a(n-1)*10 - 1.

A179555

a(1)=10; a(n) = a(n-1)*10 - 1.

Terms

    a(0) =10a(1) =99a(2) =989a(3) =9889a(4) =98889a(5) =988889a(6) =9888889a(7) =98888889a(8) =988888889a(9) =9888888889a(10) =98888888889a(11) =988888888889

External references