Instructions:

1) Go to: http://news.ycombinator.com

2) In the bottom of the page click "more".

3) In the new page click "more".

4...) Repeat, again, and again, ... until you get a page without the link to "more".

You will get a page like http://news.ycombinator.com/x?fnid=KCBC5n6VT9

The last entries are

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257. (The cartoon guide to) Löb's Theorem [scribd] (yudkowsky.net) 3 points by hhm 2 days ago | discuss

258. Benchmarking Talkinator (mailinator.blogspot.com) 4 points by zinxq 9 days ago | discuss

259. In Pictures: A Brief Hacker History (eyeball-series.org) 13 points by nickb 41 days ago | 8 comments

260. Ask YC: Opinions on using a CMS like Joomla? 2 points by rjett 64 days ago | 1 comment

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I think that the last two (#259 and #260) are incorrect, because they are too old (>40 days) and do not have too many points.