a(n) = Sum_{k=1..n} k^n * sigma_0(k).
A356239
a(n) = Sum_{k=1..n} k^n * sigma_0(k).
Terms
- a(0) =1a(1) =9a(2) =71a(3) =963a(4) =9873a(5) =231749a(6) =2976863a(7) =86348423a(8) =1824883450a(9) =55584932826
External references
- oeis: A356239
A356239
a(n) = Sum_{k=1..n} k^n * sigma_0(k).