Primes that remain prime through 5 iterations of function f(x) = 3x + 4.

Terms

a(0) =34613a(1) =165443a(2) =321053a(3) =363403a(4) =474143a(5) =496333a(6) =528673a(7) =631853a(8) =834503a(9) =957563a(10) =1199623a(11) =1274803a(12) =1817093a(13) =1918733a(14) =2063423a(15) =2611663a(16) =2889703a(17) =3224233a(18) =3652703a(19) =3697433a(20) =3824413a(21) =3852973a(22) =4655873a(23) =4708793a(24) =5089943a(25) =5508263a(26) =5937853a(27) =6067073