3664585domain: NAppears in sequencesAbsolute Euler pseudoprimes: odd composite numbers n such that a^((n-1)/2) == +-1 (mod n) for every a coprime to n.at n=27A033181Numbers n > 2 such that A258409(n)*A002322(n) divides n-1.at n=10A284671Carmichael numbers ending in 5.at n=10A355305