a(n) = Sum_{k=1..n} k^2 * floor(n/k)^n.
A350125
a(n) = Sum_{k=1..n} k^2 * floor(n/k)^n.
Terms
- a(0) =1a(1) =8a(2) =40a(3) =345a(4) =3303a(5) =50225a(6) =833569a(7) =17045934a(8) =388654659a(9) =10039636255a(10) =285508661853
External references
- oeis: A350125