352600domain: NAppears in sequencesNumbers k such that k^2 + {1,3,7,13} are prime.at n=26A356109Numbers k such that k^2 + {1,3,7,13,31} are prime.at n=6A356110Numbers k such that k^2 + {1,3,7,13,163} are prime.at n=13A356175