Primes that remain prime through 5 iterations of function f(x) = 8x + 9.

Terms

a(0) =294793a(1) =2586943a(2) =5360623a(3) =6351613a(4) =7965743a(5) =11141083a(6) =11378453a(7) =13458923a(8) =14884823a(9) =15585523a(10) =18691633a(11) =25387763a(12) =29964293a(13) =30766283a(14) =32388253a(15) =38647723a(16) =40653433a(17) =48716873a(18) =48786593a(19) =52628473a(20) =54270533a(21) =55507853a(22) =56575633a(23) =59103403