324516domain: NAppears in sequencesNumber of n-member subsets of [n^2] whose elements sum to a multiple of n.at n=6A318477Number of n-member subsets of [6*n] whose elements sum to a multiple of six.at n=6A318594Number of 6-member subsets of [6*n] whose elements sum to a multiple of n.at n=6A318627