Shown with a cast-on count of 1 stitch.  

• Round 1: K1 tbl, yo (2 sts).
• Round 2: K2.
• Round 3: Yo, k1 tbl, yo, k1 (4 sts).
• Round 4: K4.
• Round 5: K1, yo, k1 tbl, yo, k2 (6 sts).
• Round 6: K6.
• Round 7: K2, yo, k1 tbl, yo, k3 (8 sts).
• Round 8: K8.
• Round 9: K3, yo, k1 tbl, yo, k4 (10 sts).
• Round 10: K10.
• Round 11: K4, yo, k1 tbl, yo, k5 (12 sts).
• Round 12: K12.
• Round 13: K5, yo, k1 tbl, yo, k6 (14 sts).
• Rounds 14, 17, 19, 21, 23, and 25: K14.
• Round 15: Ssk, k9, k2tog, yo, k1, yo.
• Round 16: Ssk, k7, k2tog, yo, k3, yo.
• Round 18: Ssk, k5, k2tog, yo, k5, yo.
• Round 20: Ssk, k3, k2tog, yo, k7, yo.
• Round 22: Ssk, k1, k2tog, yo, k1, yo, ssk, k3, k2tog, yo, k1, yo.
• Round 24: Sl2-k1-p2sso, yo, k3, yo, ssk, k1, k2tog, yo, k3, yo.
• Round 26: K1, yo, k1, yo, sl2-k1-p2sso, yo, k1, yo, sl2-k1-p2sso, yo, k1, yo, sl2-k1-p2sso, yo, k1, yo (16 sts).
• Rounds 27-28, 31, 33, and 35: K16.
• Round 30: [Ssk, k4, k2tog, yo, yo] twice.
• Round 32: [Ssk, k2, k2tog, yo, k2, yo] twice.
• Round 34: [Ssk, k2tog, yo, k4, yo] twice.
• Round 36: [K2tog, yo, k6, yo] twice (18 sts).
• Round 37: K18.