Numbers k such that (16*10^k - 91)/3 is prime.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =16a(5) =18a(6) =22a(7) =31a(8) =40a(9) =98a(10) =99a(11) =192a(12) =233a(13) =367a(14) =501a(15) =1102a(16) =1381a(17) =1416a(18) =2018a(19) =6156a(20) =6860a(21) =7377a(22) =14004a(23) =16634a(24) =21422a(25) =27654a(26) =85473a(27) =260256a(28) =265052a(29) =274251