a(n) = Sum_{d|n} (n/d)^(n/d) * binomial(d+n-1,n).
A343568
a(n) = Sum_{d|n} (n/d)^(n/d) * binomial(d+n-1,n).
Terms
- a(0) =1a(1) =7a(2) =37a(3) =311a(4) =3251a(5) =47419a(6) =825259a(7) =16786615a(8) =387446284a(9) =10000130757a(10) =285312023327
External references
- oeis: A343568