Near-repdigit emirps.

Terms

a(0) =113a(1) =199a(2) =311a(3) =337a(4) =733a(5) =991a(6) =1151a(7) =1181a(8) =1511a(9) =1811a(10) =3343a(11) =3373a(12) =3433a(13) =3733a(14) =7177a(15) =7577a(16) =7717a(17) =7757a(18) =11161a(19) =16111a(20) =77797a(21) =79777a(22) =98999a(23) =99989a(24) =111119a(25) =111211a(26) =112111a(27) =323333a(28) =333323a(29) =333337