ps-line-number-start

ps-line-number-start is a variable defined in `ps-print.el'.
Its value is

1

Documentation:
Specify the starting point in the interval given by `ps-line-number-step'.

For example, if `ps-line-number-step' is set to 3 and `ps-line-number-start' is
set to 3, the printing will look like:

one line
one line
3 one line
one line
one line
6 one line
one line
one line
9 one line
one line
...

The values for `ps-line-number-start':

* If `ps-line-number-step' is an integer, must be between 1 and the value of
`ps-line-number-step' inclusive.

* If `ps-line-number-step' is set to `zebra', must be between 1 and the
value of `ps-zebra-strip-height' inclusive. Use this combination if you
wish that line number be relative to zebra stripes.

You can customize this variable.

This variable was introduced, or its default value was changed, in version 20 of Emacs.