The pattern starts with the directions for the cable panels and then gets to the actual instructions for knitting. The cast on (42sts) is given to the right of the blue box that lists the abbreviations. It's not so obvious at all and easy to miss.
Oh thank you SO much! I only glanced at it and thought that was part of the directions for cable panel C...haha. That's what I get for not reading thoroughly. And I agree...it is very beautiful! Can't wait to make it!