Nonnegative numbers n such that 6*2^n-1 is prime.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =5a(5) =6a(6) =10a(7) =17a(8) =33a(9) =37a(10) =42a(11) =54a(12) =63a(13) =75a(14) =93a(15) =102a(16) =142a(17) =205a(18) =215a(19) =305a(20) =323a(21) =390a(22) =457a(23) =469a(24) =826a(25) =1273a(26) =3275a(27) =4203a(28) =5133a(29) =7558