Shown with a cast-on count of 2 stitches.  

• Row 1 (RS): Kfb, k1 (3 sts).
• Row 2: P1, knit to last st, kfb (4 sts).
• Row 3: Kfb, knit (5 sts).
• Row 4: P1, knit to last st, kfb (6 sts).
• Row 5: Kfb, knit (7 sts).
• Row 6: P1, knit to last st, kfb (8 sts).
• Row 7: Kfb, knit to last st, kfb (10 sts).
• Row 8: BO 5 sts, knit to last st, kfb (6 sts).
• Rows 9, 11, and 13: Kfb, knit (1 more st).
• Rows 10, 12, and 14: P1, knit to last st, kfb (1 more st).
• Row 15: Kfb, knit to last st, kfb (2 more sts).
• Row 16: BO 5 sts, knit to last st, kfb (4 fewer sts).
• Repeat rows 9-16.