Primes that remain prime through 4 iterations of function f(x) = 3x + 2.

Terms

a(0) =1129a(1) =10009a(2) =11489a(3) =12539a(4) =13859a(5) =30029a(6) =63079a(7) =77359a(8) =99119a(9) =121039a(10) =124669a(11) =169409a(12) =194749a(13) =205589a(14) =246329a(15) =330329a(16) =349519a(17) =351829a(18) =354839a(19) =361279a(20) =369539a(21) =384589a(22) =395719a(23) =399769a(24) =416989a(25) =429109a(26) =446819a(27) =527599a(28) =532489a(29) =544259