Duplicate of A068868.

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =11a(5) =17a(6) =37a(7) =41a(8) =47a(9) =61a(10) =101a(11) =107a(12) =331a(13) =443a(14) =463a(15) =563a(16) =853a(17) =859a(18) =1049a(19) =2819a(20) =7229a(21) =9241a(22) =10799a(23) =10837a(24) =31123a(25) =31177a(26) =51133a(27) =51151a(28) =71069a(29) =91297