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Conway and Soifer tried to set a record for least number of words in a mathematical paper. I've reproduced it here in its entirety.

Can n² + 1 unit equilateral triangles cover an equilateral triangle of side > n, say n + ε?
^{John H. Conway & Alexander Soifer
Princeton University, Mathematics
Fine Hall, Princeton, NJ 08544, USA
[email protected] [email protected]}

n² + 2 can:

alt text http://web.archive.org/web/20131102062427/http://img231.imageshack.us/img231/9329/figure1x.png

alt text http://web.archive.org/web/20131103012610/http://img138.imageshack.us/img138/1122/figure2.png