313259domain: NAppears in sequencesNumber of points in Z^5 of norm <= n.at n=9A055411Number of points in Z^n of norm <= 9.at n=5A055433Numbers k that, when expressed in base 4 and then interpreted in base 5, give a multiple of k.at n=10A062920a(n) = Sum_{j=0..n} n^wt(j), where wt = A000120.at n=22A361257