From the Project Gutenberg version of Exercises in Knitting by Cornelia Mee.
"Cast on 113 stitches." (15 sts per repeat times 7 repeats = 105 sts, so 8 sts left over for the edges.)
Notes:
Shown with a cast-on count of 30 stitches.
1 2 3 4 5 Horizontal repeats
1 2 3 4 5 Vertical repeats