2, 3, 5, 7, 17, 29, 277, 367, 853, 14197, 43721, 1442968193, 792606555396977, 187278659180417234321, 66241160488780141071579864797 ()=== Pierpont primes ===Of the form 23 + 1 for some integers "u","v" ≥ 0.