The pattern is free and called unique blanket by Yolanda Soto Lopez on ravelry. Photo doesn't bring you to pattern. Search it on ravelry.( as per some comments this pattern is no longer free). If anyone does have a link or the pattern please do share.
simple knitting-silver grey cowl:Cast on 28 stitches with TWO strands of medium weight yarn. Row repeat from * until last 4 stitches, Row repeat from * until last 4 stitches, (i think this is called “double seed stitch”)