First k>n, not a power of n+1 or one of its prime factors, such that k | n^k + 1.

Terms

a(0) =171a(1) =10a(2) =205a(3) =21a(4) =203a(5) =10a(6) =57a(7) =82a(8) =253a(9) =111a(10) =1027a(11) =34a(12) =45a(13) =226a(14) =6029713a(15) =21a(16) =7558979a(17) =55a(18) =63a(19) =26a(20) =1081a(21) =39a(22) =55a(23) =626a(24) =63a(25) =50a(26) =1172383a(27) =45a(28) =126883a(29) =74