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 n<sup>2</sup> + 1 unit equilateral triangles cover an equilateral triangle of side > n, say n + ε?**  
<sup>*John H. Conway & Alexander Soifer  
Princeton University, Mathematics  
Fine Hall, Princeton, NJ 08544, USA  
[email protected]  [email protected]*</sup>

n<sup>2</sup> + 2 can:

[![figure 1][1]][1]

[![figure 2][2]][2]


  [1]: https://i.sstatic.net/WuvHt.png
  [2]: https://i.sstatic.net/EB4RZ.png