Primes p such that 6*p + 5 is also prime.

Terms

a(0) =2a(1) =3a(2) =7a(3) =11a(4) =13a(5) =17a(6) =29a(7) =31a(8) =37a(9) =41a(10) =43a(11) =59a(12) =71a(13) =73a(14) =79a(15) =83a(16) =97a(17) =107a(18) =109a(19) =113a(20) =137a(21) =139a(22) =151a(23) =157a(24) =163a(25) =181a(26) =191a(27) =193a(28) =197a(29) =227