Greatest prime factor of n^n - (n-1)^(n-1).

Terms

a(0) =3a(1) =23a(2) =229a(3) =151a(4) =431a(5) =776887a(6) =14731a(7) =109a(8) =80317a(9) =275311670611a(10) =19395030961a(11) =10423708597a(12) =968299894201a(13) =19428121