10593529domain: NPropertiesPrimalityPrimeyesAppears in sequencesLargest prime factor of n^n - n^(n-1) - n^(n-2) - ... - n^2 - n - 1.at n=6A191624a(n) = -4*((n-1)*(n+1)^(n+1)+1)/(((-1)^n-3)*n^3).at n=7A221740Prime numbersat n=701392