Total number of digits in all n-digit nonnegative integers.
A113119
Total number of digits in all n-digit nonnegative integers.
Terms
- a(0) =10a(1) =180a(2) =2700a(3) =36000a(4) =450000a(5) =5400000a(6) =63000000a(7) =720000000a(8) =8100000000a(9) =90000000000a(10) =990000000000
External references
- oeis: A113119