Numbers 29:2

29:2 You must offer a burnt offering as a sweet aroma to the Lord: one young bull, one ram, and seven lambs one year old without blemish.

Numbers 29:13

29:13 You must offer a burnt offering, an offering made by fire as a pleasing aroma to the Lord: thirteen young bulls, two rams, and fourteen lambs each one year old, all of them without blemish.

Numbers 28:19

28:19 “‘But you must offer to the Lord an offering made by fire, a burnt offering of two young bulls, one ram, and seven lambs one year old; they must all be unblemished. ¹ 

[28:19]  ¹ tn Heb “unblemished they will be to you.” So also in v. 31.