You cannot insert the braces manually as it will not work. Lets say we want to create a column of sequential numbers increasing by one in each cell. Enter 1 in cell A2.
Click the worksheet for which you want to insert page numbers.
In the Page Number Format window select the Start At option and then set the box at the right to 1 to start the section off on page one. In the Layout tab select Header Footer and go to the Page tab in the Page Setup dialogue box. Go to the Page Layout tab. Go to Design Options and check Different Odd and Even Pages.