Numbers k such that (5^k + 2^k)/7 is prime.
A082387
Numbers k such that (5^k + 2^k)/7 is prime.
Terms
- a(0) =3a(1) =17a(2) =19a(3) =47a(4) =101a(5) =1709a(6) =2539a(7) =5591a(8) =6037a(9) =8011a(10) =19373a(11) =26489a(12) =27427
External references
- oeis: A082387