Polymath

June 2015 : Solution

As most solvers realized, it was better to try and use a large n with fewer n-ominoes than a smaller n with many n-ominoes. The top score we received from a handful of solvers was 20,160. Interestingly, there are (at least) 2 different ways of getting to this score — one way is presented here, see if you can find the other!

Congratulations to Wouter Bosma, one of the 20,160 submitters, and this month’s randomly-chosen winner of a Jane Street t-shirt!