140837domain: 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 24.at n=28A031612Primes of the form (24*p + 1)/5, where p is a Fermat pseudoprime to base 2.at n=10A218010Prime numbersat n=13084