Numbers k such that (304*10^k - 43)/9 is prime.

Terms

a(0) =0a(1) =2a(2) =3a(3) =6a(4) =8a(5) =9a(6) =12a(7) =24a(8) =39a(9) =93a(10) =99a(11) =147a(12) =254a(13) =416a(14) =510a(15) =572a(16) =582a(17) =1488a(18) =1734a(19) =5856a(20) =19196a(21) =40112a(22) =124329