Primes with first digit 3.

Terms

a(0) =3a(1) =31a(2) =37a(3) =307a(4) =311a(5) =313a(6) =317a(7) =331a(8) =337a(9) =347a(10) =349a(11) =353a(12) =359a(13) =367a(14) =373a(15) =379a(16) =383a(17) =389a(18) =397a(19) =3001a(20) =3011a(21) =3019a(22) =3023a(23) =3037a(24) =3041a(25) =3049a(26) =3061a(27) =3067a(28) =3079a(29) =3083