a(n) = Sum_{k = 1..n} (k^n - n^k).

A264748

a(n) = Sum_{k = 1..n} (k^n - n^k).

Terms

    a(0) =0a(1) =-1a(2) =-3a(3) =14a(4) =520a(5) =11185a(6) =239505a(7) =5510652a(8) =138456936a(9) =3803230815a(10) =113833152565

External references