Numbers k such that (34*10^k - 403)/9 is prime.

Terms

a(0) =3a(1) =24a(2) =39a(3) =58a(4) =268a(5) =324a(6) =346a(7) =354a(8) =412a(9) =478a(10) =681a(11) =802a(12) =1414a(13) =1662a(14) =2103a(15) =3994a(16) =7074a(17) =7323a(18) =21156a(19) =75387