Sum of digits of numbers between 0 and (10^n)-1.

A034967

Sum of digits of numbers between 0 and (10^n)-1.

Terms

    a(0) =0a(1) =45a(2) =900a(3) =13500a(4) =180000a(5) =2250000a(6) =27000000a(7) =315000000a(8) =3600000000a(9) =40500000000a(10) =450000000000

External references