815702161domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = n^8 - n^4 + 1.at n=13A060893a(n) is the largest prime factor of n^n + n.at n=12A372228a(n) = sigma_8(n^2)/sigma_4(n^2).at n=12A372966Prime numbersat n=41912044