1 together with terms of A037174.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =7a(5) =11a(6) =13a(7) =47a(8) =61a(9) =73a(10) =107a(11) =167a(12) =179a(13) =313a(14) =347a(15) =421a(16) =479a(17) =719a(18) =863a(19) =1153a(20) =1213a(21) =1283a(22) =1307a(23) =1523a(24) =3467a(25) =3733a(26) =4007a(27) =4621a(28) =4787a(29) =5087