2 occurrences across the corpus

Jubilees

Jubilees 10:17

jubilees and two weeks and five years. And in his life on earth he excelled the children of men save Enoch because of the righteousness, wherein he was perfect. For Enoch's office was ordained for a testimony to the generations of the world, so that he should recount all the deeds of generation

OT Pseudepigrapha

The Second Book of Adam and Eve 21:3

Then he called Enoch his eldest son, and Methuselah Enoch's son, and Lamech the son of Methuselah, and Noah the son of Lamech.