Numbers k such that (17*10^k + 67)/3 is prime.

Terms

a(0) =1a(1) =3a(2) =7a(3) =8a(4) =9a(5) =11a(6) =15a(7) =19a(8) =29a(9) =55a(10) =76a(11) =159a(12) =266a(13) =311a(14) =394a(15) =908a(16) =1732a(17) =1875a(18) =4335a(19) =6334a(20) =7641a(21) =16421a(22) =33721a(23) =139239a(24) =157705a(25) =160143