Shown with a cast-on count of 8 stitches.  

• Rounds 1-2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, and 64: Knit.
• Round 3: [Yo, k1] 8 times (16 sts).
• Round 5: *Yo, k2, repeat from * (24 sts).
• Round 7: *Yo, k3, repeat from * (32 sts).
• Round 9: *Yo, k1, yo, ssk, k1, repeat from * (40 sts).
• Round 11: *Yo, k1, yo, ssk, k2, repeat from * (48 sts).
• Round 13: *Yo, k1, yo, ssk, k3, repeat from * (56 sts).
• Round 15: *Yo, k1, [yo, ssk] twice, k2, repeat from * (64 sts).
• Round 17: *Yo, k1, [yo, ssk] twice, k3, repeat from * (72 sts).
• Round 19: *Yo, k1, [yo, ssk] 3 times, k2, repeat from * (80 sts).
• Round 21: *Yo, k1, [yo, ssk] 3 times, k3, repeat from * (88 sts).
• Round 23: *Yo, k1, [yo, ssk] 3 times, k4, repeat from * (96 sts).
• Round 25: *Yo, k1, [yo, ssk] 3 times, k5, repeat from * (104 sts).
• Round 27: *Yo, k1, [yo, ssk] 3 times, k6, repeat from * (112 sts).
• Round 29: *Yo, k1, [yo, ssk] 3 times, k7, repeat from * (120 sts).
• Round 31: *Yo, k1, [yo, ssk] 3 times, k1, ssk, [yo] twice, ssk, k3, repeat from * (128 sts).