342237634221domain: NAppears in sequencesNumber of solutions to the equation x_1 + ... + x_n =0 satisfying -n<=x_i<=n (1<=i<=n).at n=10A286928Number of arrays of 10 integers in -n..n with sum zero.at n=10A322537Number of arrays of n integers in -10..10 with sum zero.at n=10A322540