49 “Be sure not to number or count the tribe of Levi with the rest of the Israelis.
Numbers 1:49 Cross References - ISV
Numbers 2:33
33 but the descendants of Levi were not numbered along with the other Israelis, just as the LORD had commanded Moses.
Numbers 26:62
62 All of those individuals numbered 23,000. No male from the age of a month and above was numbered among the Israelis because no inheritance was to be assigned to them among the Israelis.