174263domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 22*(n^2)+1 for which the sum of the digits is also of the form 22*(n^2)+1.at n=3A117050Least k>p such that (kp)^3 divides (p-1)^(kp)^2+1 for prime p = A000040(n).at n=22A128677Prime numbersat n=15857