82401domain: NAppears in sequencesNumber of arrays of 5 integers in -n..n with sum zero and equal numbers of elements greater than zero and less than zero.at n=15A201813Total number of positive integers < 10^n with multiplicative digital root value 0.at n=4A263470a(n) = (4*n^3 - 6*n^2 + 20*n + 3)/3.at n=40A322597