Balanced primes (A090403) of index 2.

Terms

a(0) =211a(1) =263a(2) =349a(3) =397a(4) =409a(5) =439a(6) =709a(7) =751a(8) =787a(9) =827a(10) =1153a(11) =1187a(12) =1259a(13) =1487a(14) =1523a(15) =1531a(16) =2281a(17) =2287a(18) =2347a(19) =2621a(20) =3037a(21) =3109a(22) =3313a(23) =3329a(24) =3539a(25) =3673a(26) =4357a(27) =4397a(28) =4493a(29) =4951