Numbers k such that (38*10^k - 119) / 9 is prime.

Terms

a(0) =1a(1) =2a(2) =4a(3) =5a(4) =8a(5) =14a(6) =16a(7) =17a(8) =20a(9) =22a(10) =38a(11) =134a(12) =136a(13) =152a(14) =829a(15) =1087a(16) =2110a(17) =3524a(18) =4412a(19) =7079a(20) =10538a(21) =17672a(22) =21583a(23) =24163a(24) =35126a(25) =72050