Numbers k such that 16^k - 4^k - 1 is prime.

Terms

a(0) =1a(1) =2a(2) =5a(3) =9a(4) =19a(5) =25a(6) =54a(7) =104a(8) =112a(9) =120a(10) =177a(11) =317a(12) =504a(13) =540a(14) =734a(15) =780a(16) =1649a(17) =1923a(18) =2715a(19) =4308a(20) =5917a(21) =6494a(22) =7305a(23) =22653a(24) =26888a(25) =71448a(26) =93834a(27) =137027a(28) =158472a(29) =174648