Union of 2, A282178, and A330339.

Terms

a(0) =2a(1) =3a(2) =7a(3) =37a(4) =43a(5) =53a(6) =79a(7) =89a(8) =107a(9) =113a(10) =1471a(11) =1579a(12) =1663a(13) =3491a(14) =3547a(15) =3659a(16) =3691a(17) =3719a(18) =3779a(19) =3821a(20) =3823a(21) =3851a(22) =3947a(23) =3989a(24) =4079a(25) =4583a(26) =4657a(27) =4679a(28) =4703a(29) =27271