Numbers k such that (8*10^k - 611)/9 is prime.

Terms

a(0) =3a(1) =4a(2) =7a(3) =9a(4) =48a(5) =52a(6) =105a(7) =153a(8) =1783a(9) =1999a(10) =2787a(11) =4276a(12) =13693a(13) =14067a(14) =19143a(15) =20431a(16) =25933a(17) =26206a(18) =29062a(19) =40462a(20) =40791a(21) =58738a(22) =81709