Primes that remain prime through 5 iterations of function f(x) = 3x + 2.

Terms

a(0) =10009a(1) =575119a(2) =724499a(3) =1373819a(4) =1725359a(5) =3188569a(6) =3715669a(7) =4980499a(8) =5939779a(9) =9202199a(10) =9565709a(11) =13707469a(12) =14483839a(13) =14886829a(14) =15412739a(15) =16158589a(16) =16740709a(17) =18207349a(18) =19429409a(19) =22428209a(20) =22602719a(21) =22722419a(22) =22749019a(23) =22877119a(24) =24171209