Sum of digits of numbers between 0 and (3/9)*(10^n-1).
A089905
Sum of digits of numbers between 0 and (3/9)*(10^n-1).
Terms
- a(0) =0a(1) =6a(2) =183a(3) =3285a(4) =47787a(5) =627789a(6) =7777791a(7) =92777793a(8) =1077777795a(9) =12277777797a(10) =137777777799
External references
- oeis: A089905