Primes that remain prime through 4 iterations of function f(x) = 3x + 10.

Terms

a(0) =3a(1) =199a(2) =233a(3) =709a(4) =1361a(5) =1367a(6) =2137a(7) =2879a(8) =5519a(9) =5987a(10) =7283a(11) =9719a(12) =11699a(13) =14983a(14) =16417a(15) =17881a(16) =20939a(17) =24481a(18) =30467a(19) =31663a(20) =31741a(21) =35107a(22) =35863a(23) =46811a(24) =47869a(25) =49261a(26) =58207a(27) =60497a(28) =63317a(29) =64781