587971domain: NPropertiesPrimalityPrimeyesAppears in sequencesMinimum positive numerator of s_1/1 + ... + s_n/n in lowest terms, where each s_i equals 1 or -1.at n=28A061195Minimum positive numerator of s_1/1 + ... + s_n/n in lowest terms, where each s_i equals 1 or -1.at n=29A061195Prime numbersat n=48207