Prime-indexed primes q such that prime(q) + q + 1 is a prime-indexed prime.

Terms

a(0) =5a(1) =109a(2) =1913a(3) =2081a(4) =2351a(5) =2897a(6) =3169a(7) =4027a(8) =4397a(9) =8221a(10) =9461a(11) =9661a(12) =13613a(13) =14969a(14) =17117a(15) =17483a(16) =24133a(17) =28109a(18) =31513a(19) =32969a(20) =47417a(21) =60149a(22) =61627a(23) =73259a(24) =84809a(25) =89213a(26) =105929a(27) =113051a(28) =124121a(29) =143477