10553818domain: NAppears in sequencesNumbers k such that prime(k) == 5 (mod k).at n=23A023147Numbers k that divide the average of prime(k-1) and prime(k).at n=19A066826Numbers k that divide prime(k) + prime(k-1).at n=26A225939Numbers k such that A068902(k+1) <= A068902(k).at n=29A283053