sequence problem

I have the following problem.

I have a table [friends] and it looks like this:          id serial          name varchar(25)          phone
varchar(15)
After I created it tehre is also a sequence that generates me the ids
friens_id_seq

Let's say I have 5 records.

If I remove the 3th my ids will be 1,2,4,5 and my friends_id_seq=5.
if I remove the 5th my ids will be 1,2,4 and my friends_id_seq=5.

I want the following:
if I remove a record my ids should always be like this:

1,2,3,4... and not 1,2,4,5,9,...

I made a trigger that does my friends_id_seq = max(id) after delete.

Can anyone help me?

Thanx in advance

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