Numbers k such that 4^k - 3^k - 2^k is prime.
A138699
Numbers k such that 4^k - 3^k - 2^k is prime.
Terms
- a(0) =2a(1) =3a(2) =13a(3) =21a(4) =231a(5) =849a(6) =885a(7) =1225a(8) =2955a(9) =10171
External references
- oeis: A138699
A138699
Numbers k such that 4^k - 3^k - 2^k is prime.