Terence TaoRE: https://mastodon.social/@ZachWeinersmith/116375447678097912
This was a fun collaboration! See also the crypto challenge at the end of the final strip in the 5-part series.
robinhouston
Mark Dominus@robinhouston I didn't give it any thought, but when I read it what I imagined was polyominoes made of regular triangles, of size 6n, and whether they could tile a hexagonal region of a triangular grid. I have no idea if this was what was actually meant.
But I have looked at the analogous question about what sizes of triangles can be covered by 3-hexes, and it was interesting.
Irenes (many)@mjd @robinhouston well you definitely can't tile them with squares... your assumption makes sense