Numbers n such that prime(n) == -3 (mod n).

Terms

a(0) =1a(1) =2a(2) =25a(3) =26a(4) =68a(5) =1054a(6) =1058a(7) =6472a(8) =251723a(9) =4124468a(10) =69709727a(11) =69709942a(12) =465769817a(13) =465769835a(14) =1208198860a(15) =8179002154a(16) =8179002176a(17) =8179002178a(18) =145935689360a(19) =145935689369a(20) =145935689392a(21) =145935689393