drag formula for data that skips one cell in other sheet

Hello,
I'm looking for a furmula that will take data from one cell in sheet (=sheet1!A1), than will skip one cell (column) and take the data from the next cell (=sheet1!C1). I have to drag the formula on many cells in a raw...

Thanks

Enter this in your a cell and then drag it across to the right:

=OFFSET($A$1,0,COLUMN(A1)*2-2)