Number of decimal digits in Mersenne(10^n).

A114475

Number of decimal digits in Mersenne(10^n).

Terms

    a(0) =1a(1) =4a(2) =31a(3) =302a(4) =3011a(5) =30103a(6) =301030a(7) =3010300a(8) =30103000a(9) =301029996a(10) =3010299957a(11) =30102999567a(12) =301029995664

External references