Repunits: (10^n - 1)/9. Often denoted by R_n.

A002275

Repunits: (10^n - 1)/9. Often denoted by R_n.

Terms

    a(0) =0a(1) =1a(2) =11a(3) =111a(4) =1111a(5) =11111a(6) =111111a(7) =1111111a(8) =11111111a(9) =111111111a(10) =1111111111a(11) =11111111111a(12) =111111111111

External references