262444domain: NAppears in sequencesNumber of -3..3 arrays x(0..n-1) of n elements with nonzero sum and with zero through n-1 differences all nonzero.at n=7A200160T(n,k)=Number of -k..k arrays x(0..n-1) of n elements with nonzero sum and with zero through n-1 differences all nonzero.at n=52A200165