Primes p such that 7*p + 2 is also prime.

Terms

a(0) =3a(1) =5a(2) =11a(3) =23a(4) =47a(5) =53a(6) =71a(7) =101a(8) =107a(9) =131a(10) =167a(11) =173a(12) =197a(13) =251a(14) =257a(15) =293a(16) =311a(17) =317a(18) =353a(19) =383a(20) =431a(21) =461a(22) =467a(23) =563a(24) =587a(25) =593a(26) =683a(27) =701a(28) =773a(29) =797