Photo by Verbosemom on Ravelry. Used with permission.
This is an unusual fan pattern that changes stitch count on every right side row.
Cast on a multiple of 9 stitches
First row: Knit 2, (YO, k1) five times, yo, knit 2, and repeat.
Second row: Purl 2, knit 11, p2.
Third row: Knit 2 together, knit 11, knit 2 together, and repeat.
Fourth row: Purl 2 together, p9, purl 2 together, and repeat.
Fifth row: Knit 2 together, knit 7, knit 2 together.
Sixth row: Purl
These six rows form the pattern. Repeat for desired length