Primes p such that 5*p + 2 is also prime.

Terms

a(0) =3a(1) =7a(2) =13a(3) =19a(4) =31a(5) =61a(6) =67a(7) =73a(8) =79a(9) =97a(10) =109a(11) =151a(12) =157a(13) =181a(14) =193a(15) =199a(16) =223a(17) =313a(18) =331a(19) =349a(20) =373a(21) =397a(22) =457a(23) =487a(24) =523a(25) =541a(26) =571a(27) =577a(28) =607a(29) =613