|
COMMENTS
|
All terms are primes.
Mersenne exponents p from A000043 such that p^2 + p + 1 is a prime.
Corresponding values of primes q: 3, 7, 31, 131071, 618970019642690137449562111, ...
Corresponding values of primes r: 7, 13, 31, 307, 8011, 93886411, 125742583, 8857894417063, ...
|