a(n) = Sum_{k=0..n} (-1)^(n-k) * k! * k^(k*n) * Stirling1(n,k).

A351138

a(n) = Sum_{k=0..n} (-1)^(n-k) * k! * k^(k*n) * Stirling1(n,k).

Terms

    a(0) =1a(1) =1a(2) =33a(3) =118484a(4) =103098352618

External references