Numbers n such that 8^n - 5 is prime.

Terms

a(0) =1a(1) =2a(2) =4a(3) =6a(4) =12a(5) =22a(6) =50a(7) =270a(8) =606a(9) =800a(10) =1704a(11) =5462a(12) =6194a(13) =9206a(14) =10306a(15) =105380