a(n) = Sum_{d|n} (n-d)^n.

Terms

a(0) =0a(1) =1a(2) =8a(3) =97a(4) =1024a(5) =20450a(6) =279936a(7) =7509953a(8) =144295424a(9) =4570291850a(10) =100000000000