Primes which are the average of two distinct Mersenne primes (A000668).
A171255
Primes which are the average of two distinct Mersenne primes (A000668).
Terms
- a(0) =5a(1) =17a(2) =19a(3) =67a(4) =79a(5) =4099a(6) =4111a(7) =4159a(8) =65537a(9) =65539a(10) =65551a(11) =65599a(12) =262147a(13) =266239a(14) =1073741827a(15) =1073741839a(16) =1073807359
External references
- oeis: A171255