a(1)=10; a(n) = a(n-1)*10 - 5^(n-2).

A179558

a(1)=10; a(n) = a(n-1)*10 - 5^(n-2).

Terms

    a(0) =10a(1) =99a(2) =985a(3) =9825a(4) =98125a(5) =980625a(6) =9803125a(7) =98015625a(8) =980078125a(9) =9800390625a(10) =98001953125a(11) =980009765625

External references