a(n) is the least number k such that the average number of odd divisors of {1..k} is >= n.
A338891
a(n) is the least number k such that the average number of odd divisors of {1..k} is >= n.
Terms
- a(0) =1a(1) =21a(2) =165a(3) =1274a(4) =9435a(5) =69720a(6) =515230a(7) =3807265a(8) =28132035a(9) =207869515a(10) =1535959665a(11) =11349295155a(12) =83860579775
External references
- oeis: A338891