Numbers n not divisible by 2 or 3 such that k^k == k+1 (mod n) has no nonzero solutions.

Terms

a(0) =205a(1) =301a(2) =455a(3) =1015a(4) =1025a(5) =1085a(6) =1435a(7) =1505a(8) =2107a(9) =2255a(10) =2275a(11) =2485a(12) =2665a(13) =3185a(14) =3311a(15) =3485a(16) =3895a(17) =3913a(18) =4715a(19) =4823a(20) =5005a(21) =5075a(22) =5117a(23) =5125a(24) =5425a(25) =5467a(26) =5719a(27) =5915a(28) =5945a(29) =6355