394502321domain: NPropertiesPrimalityPrimeyesAppears in sequencesLeast k>p such that (kp)^3 divides (p-1)^(kp)^2+1 for prime p = A000040(n).at n=15A128677For prime p=A000040(n), the smallest prime divisor of (p-1)^p+1 other than p.at n=14A177996Prime numbersat n=21058564