164599domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of arrays of n integers in -3..3 with sum zero and equal numbers of elements greater than zero and less than zero.at n=7A201806T(n,k)=Number of arrays of n integers in -k..k with sum zero and equal numbers of elements greater than zero and less than zero.at n=52A201811Prime numbersat n=15066