I have noticed google is indexing 302/301 redirects as if they are part of the site that's redirecting.
Example
I'm redirecting using mod_rewrite to redirect to my own domain first (to a dynamic URL) and after that use a normal redirect header to send them to my sponsor..
I'm happy with it, brings some nice SE traffic to my sponsors FHG's.
But why the hell does it do this? Bug?