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

Terms

a(0) =3a(1) =23a(2) =229a(3) =19a(4) =101a(5) =776887a(6) =3a(7) =7a(8) =29a(9) =275311670611a(10) =5a(11) =28201a(12) =3a(13) =52489a(14) =109a(16) =9680119a(17) =5a(18) =3a(20) =3697a(21) =29a(22) =6361a(23) =10667a(24) =3a(25) =23a(26) =17787551a(28) =7a(29) =4211a(30) =3a(31) =461a(32) =83