Snow and Polymath5

Two weeks of constant snowing is highly unusual for Germany. It makes driving a real adventure especially since my home town ran out of salt a week ago.

While being snow-covered in endless traffic jams I was not lazy and added up +1’s and -1’s to get an idea of what is going on here: Polymath5 project. The Erdös discrepancy problem is easy to formulate and really hard to solve. Give it a try!

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