Primes p such that 7*p + 10 is also prime.

Terms

a(0) =3a(1) =7a(2) =13a(3) =31a(4) =37a(5) =43a(6) =67a(7) =73a(8) =79a(9) =109a(10) =139a(11) =157a(12) =163a(13) =181a(14) =193a(15) =211a(16) =223a(17) =229a(18) =241a(19) =271a(20) =277a(21) =367a(22) =373a(23) =379a(24) =397a(25) =421a(26) =433a(27) =439a(28) =457a(29) =463