Numbers k such that 4^k - 3^k is prime.

Terms

a(0) =2a(1) =3a(2) =7a(3) =17a(4) =59a(5) =283a(6) =311a(7) =383a(8) =499a(9) =521a(10) =541a(11) =599a(12) =1193a(13) =1993a(14) =2671a(15) =7547a(16) =24019a(17) =46301a(18) =48121a(19) =68597a(20) =91283a(21) =131497a(22) =148663a(23) =184463a(24) =341233