Smallest n-digit integer x such that x + A007954(x) has n+1 digits, where A007954(x) is the product of decimal digits of x.

A243219

Smallest n-digit integer x such that x + A007954(x) has n+1 digits, where A007954(x) is the product of decimal digits of x.

Terms

    a(0) =5a(1) =59a(2) =599a(3) =6799a(4) =68899a(5) =689999a(6) =6999999a(7) =77899999a(8) =779999999a(9) =7889999999a(10) =78999999999a(11) =799999999999

External references