When an auto fill is applied to three cell containing the entries:

=Sheet1!C303, =Sheet1!C318, =Sheet1!C333,

Noting that the intended pattern is a simple linear pattern, increasing row
number by 15 each time.

These are the resulting auto fill entries:

=Sheet1!C303, =Sheet1!C318, =Sheet1!C333, =Sheet1!C306, =Sheet1!C321,
=Sheet1!C336.

How do I get the auto fill function to follow the obvious €œprevious row
number +15€� pattern?


Thanks,
Chris