355541domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmallest k such that |M(k)| = n^2, where M(x) is Mertens's function A002321.at n=15A084234Smallest k such that |M(k)| = 2^n, where M(x) is Mertens's function A002321.at n=8A084235Prime numbersat n=30421