698531domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) is the (conjectured) largest number k that is zeroless in every base b such that n <= b < k.at n=3A319033Expansion of g^2/(1 - x^3*g), where g = 1+x*g^3 is the g.f. of A001764.at n=9A391123Prime numbersat n=56447