101749domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 25.at n=22A031613Smallest prime p such that p - floor(sqrt(p))^2 = n^2.at n=24A242991Prime numbersat n=9745