Primes whose decimal representation also represents a prime in base 3.

Terms

a(0) =2a(1) =2111a(2) =2221a(3) =10211a(4) =12011a(5) =12211a(6) =20201a(7) =21011a(8) =21101a(9) =21211a(10) =22111a(11) =101021a(12) =101111a(13) =102101a(14) =102121a(15) =110221a(16) =111121a(17) =111211a(18) =120011a(19) =120121a(20) =121001a(21) =121021a(22) =122011a(23) =201101a(24) =202001a(25) =202021a(26) =210011a(27) =210101a(28) =1000211a(29) =1010201