Smallest nonempty set S containing prime divisors of 5k+2 for each k in S.

Terms

a(0) =3a(1) =7a(2) =11a(3) =13a(4) =17a(5) =19a(6) =23a(7) =29a(8) =31a(9) =37a(10) =47a(11) =67a(12) =71a(13) =73a(14) =79a(15) =97a(16) =127a(17) =157a(18) =167a(19) =197a(20) =241a(21) =337a(22) =367a(23) =397a(24) =487a(25) =523a(26) =569a(27) =787a(28) =1741a(29) =1987