Numbers k such that (59*10^k - 77)/9 is prime.

Terms

a(0) =2a(1) =3a(2) =5a(3) =6a(4) =9a(5) =14a(6) =21a(7) =29a(8) =30a(9) =32a(10) =39a(11) =59a(12) =69a(13) =113a(14) =410a(15) =13484a(16) =15525a(17) =16796a(18) =22064a(19) =37694a(20) =38103a(21) =73217