a(n) = Sum_{k=1..n} (-1)^(k+1) * floor((n/k)^n).
A350224
a(n) = Sum_{k=1..n} (-1)^(k+1) * floor((n/k)^n).
Terms
- a(0) =1a(1) =3a(2) =25a(3) =242a(4) =3038a(5) =45981a(6) =817445a(7) =16714015a(8) =386682183a(9) =9990395075a(10) =285173906017
External references
- oeis: A350224