Primes that remain prime through 3 iterations of function f(x) = 8x + 5.

Terms

a(0) =43a(1) =103a(2) =199a(3) =1039a(4) =1303a(5) =2311a(6) =2857a(7) =3673a(8) =4513a(9) =4663a(10) =5743a(11) =5953a(12) =8431a(13) =9721a(14) =12391a(15) =14143a(16) =14533a(17) =17599a(18) =18457a(19) =19507a(20) =21211a(21) =23719a(22) =24169a(23) =25621a(24) =28663a(25) =29023a(26) =31963a(27) =33409a(28) =35311a(29) =36979