167663domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form p^4+q^4+r^4-4 with p<=q<=r all prime.at n=25A256380Let p = n-th prime == 7 mod 8; a(n) = sum of quadratic residues mod p that are > p/2.at n=41A282040Prime numbersat n=15314