Numbers n such that 115*2^n-1 is prime.

Terms

a(0) =1a(1) =3a(2) =11a(3) =13a(4) =19a(5) =21a(6) =31a(7) =49a(8) =59a(9) =69a(10) =73a(11) =115a(12) =129a(13) =397a(14) =597a(15) =623a(16) =769a(17) =1131a(18) =4581a(19) =6229a(20) =13477a(21) =20995a(22) =24541a(23) =31089a(24) =48535a(25) =57375a(26) =87151a(27) =98543a(28) =267443a(29) =357829