Primes p of the form 6n-1 such that p-1 is a semiprime and p+2 is prime or prime squared.

Terms

a(0) =5a(1) =11a(2) =23a(3) =47a(4) =59a(5) =107a(6) =167a(7) =179a(8) =227a(9) =347a(10) =359a(11) =839a(12) =1019a(13) =1319a(14) =1367a(15) =1487a(16) =1619a(17) =2027a(18) =2207a(19) =2999a(20) =3119a(21) =3167a(22) =3467a(23) =4127a(24) =4259a(25) =4547a(26) =4787a(27) =4799a(28) =5099a(29) =5639