"Secondary twin primes": a(n) = A006450(A096477(n)).

Terms

a(0) =3a(1) =5a(2) =11a(3) =17a(4) =41a(5) =59a(6) =179a(7) =191a(8) =431a(9) =461a(10) =599a(11) =617a(12) =1031a(13) =1787a(14) =2027a(15) =2081a(16) =2381a(17) =2549a(18) =3299a(19) =4091a(20) =4217a(21) =4421a(22) =4517a(23) =4787a(24) =5021a(25) =5441a(26) =5651a(27) =8999a(28) =9041a(29) =9461