Primes of the form 6*p - 5 such that p and 6*p - 1 are primes.

Terms

a(0) =7a(1) =13a(2) =37a(3) =97a(4) =109a(5) =277a(6) =313a(7) =349a(8) =397a(9) =613a(10) =673a(11) =757a(12) =937a(13) =1429a(14) =1609a(15) =1693a(16) =1873a(17) =2269a(18) =2293a(19) =2377a(20) =2689a(21) =2797a(22) =3457a(23) =3673a(24) =3697a(25) =3877a(26) =4933a(27) =4969a(28) =5437a(29) =5569