I found this pattern at Crystal Palace yarns.
Here's the link to the pattern:
It was fun to knit.
knit the first 2 rows
Row 1: knit
Row 2: knit 2, purl 18, knit 2
Row 3: knit 2, (k2tog) 3 times, (yo, k1) 6 times, (k2tog) 3 times, knit 2
Row 4: knit
repeat row 1 thru 4 until scarf is as long as you like it. Mine is about 6 feet. Cast off on Row 4.