a(n) = 100*(10^n - 1)/9.
A124166
a(n) = 100*(10^n - 1)/9.
Terms
- a(0) =0a(1) =100a(2) =1100a(3) =11100a(4) =111100a(5) =1111100a(6) =11111100a(7) =111111100a(8) =1111111100a(9) =11111111100a(10) =111111111100
External references
- oeis: A124166
A124166
a(n) = 100*(10^n - 1)/9.