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

A179556

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

Terms

    a(0) =10a(1) =99a(2) =988a(3) =9876a(4) =98752a(5) =987504a(6) =9875008a(7) =98750016a(8) =987500032a(9) =9875000064a(10) =98750000128a(11) =987500000256

External references