49 “Do not number the tribe of Levi in the census with the other Israelites.
Numbers 1:49 Cross References - BSB
Numbers 2:33
33 But the Levites were not counted among the other Israelites, as the LORD had commanded Moses.
Numbers 26:62
62 The registration of the Levites totaled 23,000, every male a month old or more; they were not numbered among the other Israelites, because no inheritance was given to them among the Israelites.