Primes that remain prime through 3 iterations of function f(x) = 10x + 3.

Terms

a(0) =2a(1) =7a(2) =17a(3) =19a(4) =23a(5) =61a(6) =101a(7) =103a(8) =409a(9) =719a(10) =857a(11) =997a(12) =1297a(13) =1531a(14) =1699a(15) =2399a(16) =3253a(17) =3491a(18) =4583a(19) =4933a(20) =5119a(21) =5189a(22) =5939a(23) =6277a(24) =6863a(25) =7789a(26) =8669a(27) =9187a(28) =9887a(29) =10061