637236domain: NAppears in sequencesNumbers k such that prime(k) == 1 (mod k).at n=13A023143Numbers k that divide prime(k)+1 or prime(k)-1.at n=28A078931Least integer k > 0 such that prime(k) - k*n is a square.at n=14A247893Numbers k such that A068902(k+1) <= A068902(k).at n=12A283053