Numbers k such that (5*10^k - 173)/3 is prime.

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =13a(5) =79a(6) =98a(7) =273a(8) =1173a(9) =3008a(10) =3118a(11) =4352a(12) =4748a(13) =5648a(14) =11167a(15) =11750a(16) =12555a(17) =26613a(18) =88303