89533domain: 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 22.at n=28A031610Primes of the form k^3 + (k+1)^3 + 2.at n=11A227412Prime numbersat n=8671