Numbers k such that 7^k + k^7 - 1 is prime.
A215445
Numbers k such that 7^k + k^7 - 1 is prime.
Terms
- a(0) =1a(1) =11a(2) =65a(3) =133a(4) =679a(5) =1571a(6) =27517a(7) =51631
External references
- oeis: A215445
A215445
Numbers k such that 7^k + k^7 - 1 is prime.