257053domain: NPropertiesPrimalityPrimeyesAppears in sequencesInitial terms of quartets of consecutive primes as follows: {p, p+16, p+24, p+40}. The corresponding difference-pattern is {16,8,16}.at n=6A102333Primes of the form 9n^2 + 4.at n=26A201706Prime numbersat n=22600