Shown with a cast-on count of 8 stitches.  

• Round 0: K8.
• Round 1: *Kfb, repeat from * (16 sts).
• Rounds 2, 4, 6, 8, 10, 12, 14, 16, 18, and 20: Knit.
• Round 3: *Kfb, k1, repeat from * (24 sts).
• Round 5: *Kfb, k2, repeat from * (32 sts).
• Round 7: *Kfb, k3, repeat from * (40 sts).
• Round 9: *Kfb, k4, repeat from * (48 sts).
• Round 11: *Kfb, k5, repeat from * (56 sts).
• Round 13: *Kfb, k6, repeat from * (64 sts).
• Round 15: *Kfb, k7, repeat from * (72 sts).
• Round 17: *Kfb, k8, repeat from * (80 sts).
• Round 19: *Kfb, k9, repeat from * (88 sts).