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

Terms

a(0) =135859a(1) =174877a(2) =192979a(3) =244219a(4) =292561a(5) =679297a(6) =842341a(7) =964897a(8) =1076029a(9) =1470241a(10) =1990579a(11) =2004943a(12) =2339263a(13) =2615707a(14) =2625577a(15) =2633557a(16) =2892277a(17) =3003787a(18) =3201901a(19) =3758233a(20) =4406797a(21) =5065861a(22) =5157547a(23) =5390857a(24) =5424961a(25) =5546173a(26) =5875369a(27) =7746217