In British patterns, this is called Moss Stitch. Makes a non-curling, textured fabric.
From our Library of Knitting Stitches
// odd number of sts Cast on 21 Row 1: * K1, p1 rep from *; k1 Row 2: Repeat row 1 Repeat Rows 1-2 4x
To knit this pattern you can print this page (just the chart and the title will print out), or knit it right from the screen.
We've highlighted the first row to help you keep track of where you are. Click anywhere on the chart to move the highlighting to the next row.