Emirps whose internal digits are also an emirp.

Terms

a(0) =1979a(1) =3319a(2) =3371a(3) =3373a(4) =3719a(5) =3733a(6) =7177a(7) =7717a(8) =9133a(9) =9173a(10) =9791a(11) =10177a(12) =10711a(13) =10739a(14) =11071a(15) =11497a(16) =11579a(17) =11677a(18) =13477a(19) =13591a(20) =13597a(21) =17011a(22) =17393a(23) =17519a(24) =19531a(25) =19913a(26) =30139a(27) =30319a(28) =30971a(29) =31139