Maybe.
Code:http://wordpress.org/extend/plugins/search.php?q=adsense
I am quite sure Shylock Adsense Wordpress Pluginhttp://shylockblogging.com/shylock-adsense-plugin/ will do the job for youI am looking for a plugin that allows me to put adsense on front page AND only 1 post. For example, if there are 10 posts in the front page, adsense should sow up only on the first post.
Download from :allows you to insert Adsense ads on your blog without modifying the template. Set it up to show different Adsense ads for articles older then ‘n' days. E.g. insert a 468�60 ad at the bottom of a new article for regular readers, and replace with higher paying 336�280 ad after 7 days for the search engine visitors.
http://shylockblogging.com/shylock-adsense-plugin/