Numbers k such that 3*10^k - 97 is prime.

Terms

a(0) =3a(1) =5a(2) =6a(3) =7a(4) =28a(5) =42a(6) =45a(7) =59a(8) =69a(9) =179a(10) =271a(11) =293a(12) =621a(13) =851a(14) =2632a(15) =2764a(16) =5811a(17) =6813a(18) =7974a(19) =17015a(20) =30449a(21) =32760a(22) =43939a(23) =85227a(24) =87573a(25) =93179a(26) =122345a(27) =156435a(28) =174665a(29) =177373