Numbers k such that 5^k + k^5 - 1 is prime.
A215443
Numbers k such that 5^k + k^5 - 1 is prime.
Terms
- a(0) =1a(1) =3a(2) =9a(3) =13a(4) =27a(5) =225a(6) =505a(7) =1605a(8) =7417a(9) =9193a(10) =9235
External references
- oeis: A215443
A215443
Numbers k such that 5^k + k^5 - 1 is prime.