a(n) = Sum_{d|n} (n/d)^(n/d) * binomial(d+n-2,n-1).
A343567
a(n) = Sum_{d|n} (n/d)^(n/d) * binomial(d+n-2,n-1).
Terms
- a(0) =1a(1) =6a(2) =33a(3) =292a(4) =3195a(5) =47154a(6) =824467a(7) =16783176a(8) =387434574a(9) =10000082730a(10) =285311855367
External references
- oeis: A343567