Numbers n such that 6^n + 5^(n+1) is prime.

Terms

a(0) =1a(1) =4a(2) =6a(3) =9a(4) =12a(5) =15a(6) =18a(7) =21a(8) =34a(9) =36a(10) =75a(11) =102a(12) =231a(13) =256a(14) =309a(15) =513a(16) =748a(17) =3789a(18) =12378a(19) =36378