Cross reference
Numbers 1:49
49 `Only, the tribe of Levi thou dost not number, and their sum thou dost not take up in the midst of the sons of Israel;
Numbers 26:62
62 And their numbered ones are three and twenty thousand, every male from a son of a month and upwards, for they have not numbered themselves in the midst of the sons of Israel; for an inheritance hath not been given to them in the midst of the sons of Israel.
Numbers 2:33
33 And the Levites have not numbered themselves in the midst of the sons of Israel, as Jehovah hath commanded Moses.