Sum of digits of numbers between 0 and (6/9)*(10^n-1).
A089907
Sum of digits of numbers between 0 and (6/9)*(10^n-1).
Terms
- a(0) =0a(1) =21a(2) =483a(3) =7785a(4) =107787a(5) =1377789a(6) =16777791a(7) =197777793a(8) =2277777795a(9) =25777777797a(10) =287777777799
External references
- oeis: A089907