223009domain: 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 62.at n=7A031650a(n) = prime(k+1) with k = n^2 + prime(n)^2.at n=32A243894Prime numbersat n=19859