a(n) = n! * Sum_{k=1..n} Stirling1(n,k) * H(k), where H(k) is the k-th harmonic number.
A354686
a(n) = n! * Sum_{k=1..n} Stirling1(n,k) * H(k), where H(k) is the k-th harmonic number.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =-4a(4) =38a(5) =-646a(6) =17124a(7) =-651120a(8) =33563760a(9) =-2251415376a(10) =190506294720
External references
- oeis: A354686