Shown with a cast-on count of 5 stitches.  

• Row 1 (RS): K1, *yo, k1, yo, k1, repeat from * (multiple of 4 sts, plus 1).
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, and 28: Purl.
• Rows 3, 7, 11, 15, 19, 23, and 27: Knit.
• Row 5: K1, *yo, k3, yo, k1, repeat from * (multiple of 6 sts, plus 1).
• Row 9: K1, *yo, k5, yo, k1, repeat from * (multiple of 8 sts, plus 1).
• Row 13: K1, *yo, k7, yo, k1, repeat from * (multiple of 10 sts, plus 1).
• Row 17: K1, *yo, k9, yo, k1, repeat from * (multiple of 12 sts, plus 1).
• Row 21: K1, *yo, k11, yo, k1, repeat from * (multiple of 14 sts, plus 1).
• Row 25: K1, *yo, k13, yo, k1, repeat from * (multiple of 16 sts, plus 1).