115597domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers n such that (24^n - 1)/23 is prime.at n=9A127998a(n) = 76*n^2 + 1.at n=39A158767Smallest prime p such that p - floor(sqrt(p))^2 = n^2.at n=25A242991Prime numbersat n=10921