Smallest nonempty set S containing prime divisors of 10k+3 for each k in S.

Terms

a(0) =7a(1) =11a(2) =13a(3) =17a(4) =19a(5) =23a(6) =29a(7) =31a(8) =37a(9) =41a(10) =43a(11) =47a(12) =59a(13) =61a(14) =67a(15) =71a(16) =73a(17) =79a(18) =83a(19) =89a(20) =101a(21) =103a(22) =107a(23) =113a(24) =127a(25) =131a(26) =137a(27) =139a(28) =151a(29) =167