Primes p with p + 2 and prime(p) - 2 both prime.

Terms

a(0) =3a(1) =11a(2) =29a(3) =149a(4) =179a(5) =191a(6) =269a(7) =347a(8) =431a(9) =461a(10) =617a(11) =659a(12) =1031a(13) =1619a(14) =1931a(15) =3467a(16) =3527a(17) =4799a(18) =6569a(19) =6689a(20) =7349a(21) =7877a(22) =9011a(23) =9767a(24) =11117a(25) =12611a(26) =13691a(27) =13901a(28) =14549a(29) =16067