The number of solutions to usigma(k) > esigma(k) below 10^n, where usigma(k) is the sum of unitary divisors of k (A034448) and esigma(k) is the sum of exponential divisors of k (A051377).

A322446

The number of solutions to usigma(k) > esigma(k) below 10^n, where usigma(k) is the sum of unitary divisors of k (A034448) and esigma(k) is the sum of exponential divisors of k (A051377).

Terms

    a(0) =5a(1) =74a(2) =776a(3) =7770a(4) =77794a(5) =778337a(6) =7784712a(7) =77833385a(8) =778307928a(9) =7783494530

External references