Numbers k such that (13*10^k - 73) / 3 is prime.

Terms

a(0) =1a(1) =2a(2) =5a(3) =9a(4) =12a(5) =14a(6) =36a(7) =61a(8) =79a(9) =96a(10) =121a(11) =126a(12) =131a(13) =149a(14) =175a(15) =204a(16) =359a(17) =404a(18) =533a(19) =782a(20) =1869a(21) =1950a(22) =2712a(23) =2915a(24) =66551