Numbers k such that 135*2^k-1 is prime.

Terms

a(0) =1a(1) =9a(2) =10a(3) =13a(4) =16a(5) =21a(6) =24a(7) =34a(8) =54a(9) =153a(10) =177a(11) =184a(12) =226a(13) =238a(14) =286a(15) =334a(16) =586a(17) =618a(18) =870a(19) =3151a(20) =3397a(21) =4987a(22) =5160a(23) =14737a(24) =15309a(25) =15319a(26) =16870a(27) =29430a(28) =39298a(29) =40117