Numbers k such that 4^k + k^4 - 1 is prime.
A216424
Numbers k such that 4^k + k^4 - 1 is prime.
Terms
- a(0) =2a(1) =16a(2) =74a(3) =164a(4) =518a(5) =796a(6) =8756a(7) =12598
External references
- oeis: A216424
A216424
Numbers k such that 4^k + k^4 - 1 is prime.