a(n) = Sum_{k=0..n} Stirling2(n,k) * A000009(k) * k^k.
A316146
a(n) = Sum_{k=0..n} Stirling2(n,k) * A000009(k) * k^k.
Terms
- a(0) =1a(1) =5a(2) =67a(3) =865a(4) =15906a(5) =365514a(6) =9545026a(7) =276368635a(8) =9188742238a(9) =343857717788
External references
- oeis: A316146