Numbers k such that (13*10^k + 191)/3 is prime.

Terms

a(0) =1a(1) =3a(2) =4a(3) =18a(4) =28a(5) =40a(6) =45a(7) =49a(8) =78a(9) =165a(10) =312a(11) =469a(12) =855a(13) =899a(14) =1137a(15) =1314a(16) =1410a(17) =3832a(18) =10518a(19) =24163a(20) =28792a(21) =36947a(22) =56909a(23) =58103a(24) =59797a(25) =139782