Primes p such that 9*p + 10 is also prime.

Terms

a(0) =3a(1) =7a(2) =11a(3) =13a(4) =17a(5) =19a(6) =29a(7) =41a(8) =43a(9) =47a(10) =53a(11) =59a(12) =67a(13) =83a(14) =89a(15) =97a(16) =101a(17) =103a(18) =109a(19) =127a(20) =157a(21) =173a(22) =179a(23) =193a(24) =197a(25) =199a(26) =223a(27) =227a(28) =239a(29) =241