Numbers k such that (188*10^k + 7)/3 is prime.

Terms

a(0) =2a(1) =29a(2) =35a(3) =44a(4) =51a(5) =75a(6) =101a(7) =116a(8) =131a(9) =285a(10) =320a(11) =537a(12) =581a(13) =617a(14) =1149a(15) =1751a(16) =2957a(17) =3015a(18) =31493a(19) =166611