Primes p with p + 2, prime(p) + 2 and prime(prime(p)) + 2 all prime.

Terms

a(0) =3a(1) =1949a(2) =4217a(3) =8219a(4) =9929a(5) =22091a(6) =23537a(7) =28097a(8) =38711a(9) =41609a(10) =50051a(11) =60899a(12) =68111a(13) =72227a(14) =74159a(15) =79631a(16) =115151a(17) =122399a(18) =127679a(19) =150959a(20) =155537a(21) =266687a(22) =267611a(23) =270551a(24) =271499a(25) =284741a(26) =306347a(27) =428297a(28) =433661a(29) =444287